New Taxa – 2020

Authors in alphabetical order

A B C D E F G H I J K L M N O P R S T U V W Y Z

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  • Agudelo-Zamora, H.D., Ortega-Lara, A. & Taphorn B., D.C. (2020): Characidium chancoense, a new species of South American darter from the Río Cauca drainage, Colombia (Characiformes: Crenuchidae).
  • Agudelo-Zamora, H.D., Tavera, J., Murillo, Y.D. & Ortega-Lara, A. (2020): The unknown diversity of the genus Characidium (Characiformes: Crenuchidae) in the Chocó biogeographic region, Colombian Andes: two new species supported by morphological and molecular data.
  • Ahnelt, H. (2020): A new species of Schindleria (Teleostei: Gobiidae) from Tahiti (French Polynesia) with a unique lower jaw dentition.
  • Albornoz-Garzón, J.G., Acosta-Santos, A., Bogotá-Gregory, J.D. & Agudelo-Córdoba, E. (2020): A new species of Creagrutus Günther (Characidae: Stevardiinae) from the Amazonian Piedmont of Colombia.
  • Allen, G.R., Erdmann, M.V. & Mondong, M.U. (2020): Heteroconger guttatus, a new species of garden eel (Pisces: Congridae: Heterocongrinae) from West Papua, Indonesia.
  • Allen, G.R. & Larson, H.K. (2020): Pseudogobiopsis rubrimaculosus, a new species of freshwater goby (Gobioidei: Gobiidae: Gobionellinae) from northwestern Papua New Guinea.
  • An, C.-T., Zhang, E & Shen, J.-Z. (2020): Sarcocheilichthys vittatus, a new species of gudgeon (Teleostei: Cyprinidae) from the Poyang lake basin in Jiangxi Province, South China.
  • Ardila Rodríguez, C.A. (2020): Creagrutus argos sp. nov. (Characiformes, Characidae, Stevardiinae) una nueva especie del Río Saldaña cuenca alta del Río Magdalena Departamento del Tolima – Colombia.
  • Ardila Rodríguez, C.A. (2020): Hemibrycon clausen sp. nov. y H. gutierrezi (Characiformes, Characidae, Stevardiinae) dos nuevas especies de la cuenca alta del río Lebrija, Departamento de Santander – Colombia.
  • Arunkumar, L. (2020): Exostoma laticaudata, a new glyptosternine catfish (Teleostei: Sisoridae) from Manipur, Northeastern India.
    • Exostoma laticaudata Arunkumar, 2020 Note: Exostoma is neuter, therefore the species name must be changed to laticaudatum.
  • Augustina, T.A.X., Sreeram, M.P., Sukumaran, S., Jose, A. & Sreekumar, K.M. (2020): A new deep-water species of snake eel, Xyrias anjaalai sp. nov. (Anguilliformes: Ophichthidae), from the Western Indian Ocean.
  • Augustina, T.A.X., Sreeram, M.P., Sukumaran, S., Jose, A. & Sreekumar, K.M. (2020): A new deep-water species of snake eel, Xyrias anjaalai sp. nov. (Anguilliformes: Ophichthidae), from the Western Indian Ocean.

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  • Bernt, M.J., Fronk, A.H., Evans, K.M. & Albert, J.S. (2020): A redescription of deep-channel ghost knifefish, Sternarchogiton preto (Gymnotiformes: Apteronotidae), with assignment to a new genus.
  • Bifi, A.G. & Ortega, H. (2020): Redescription of Ancistrus greeni (Siluriformes: Loricariidae), and description of a new species from the río Madre de Dios basin, Peru.
  • Birindelli, J.L.O., Britski, H.A. & Ramirez, J.L. (2020): A new Endangered species of Megaleporinus (Characiformes: Anostomidae) from the Rio de Contas basin, eastern Brazil.
  • Birindelli, J.L.O., Melo, B.F., Ribeiro-Silva, L.R., Diniz, D. & Oliveira, C. (2020): A new species of Hypomasticus from eastern Brazil based on morphological and molecular data (Characiformes, Anostomidae).
  • Bortolo, G.C. & Lima, F.C.T. (2020): A new species of Cyphocharax (Characiformes: Curimatidae) with a horizontal color pattern from the rio Tapajós drainage, Amazon basin, Brazil.
  • Bragança, P.H.N., Van der Zee, J.R., Sonnenberg, R. & Vreven, E.J.W.M.N. (2021): Description of two new miniature species of Hylopanchax Poll & Lambert, 1965 (Cyprinodontiformes: Procatopodidae) from northeastern Gabon, with an updated diagnosis of the genus based on morphology, colouration and osteology.
  • Britz, R., Dahanukar, N., Anoop, V.K., Philip, S., Clark, B., Raghavan, R. & Rüber, L. (2020): Aenigmachannidae, a new family of snakehead fishes (Teleostei: Channoidei) from subterranean waters of South India.
  • Britz, R., Dahanukar, N., Standing, A., Philip, S., Kumar, B. & Raghavan, R. (2020): Osteology of ‘Monopterus’ roseni with the description of Rakthamichthys, new genus, and comments on the generic assignment of the Amphipnous Group species (Teleostei: Synbranchiformes).

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  • Carvalho, C.O., Marceniuk, A.P., Oliveira, C. & Wosiacki, W.B. (2020): Integrative taxonomy of the species complex Haemulon steindachneri (Jordan and Gilbert, 1882) (Eupercaria; Haemulidae) with a description of a new species from the western Atlantic.
  • Carvalho, T.P. & Reis, R.E. (2020): A New Miniature Species of Acanthobunocephalus (Silurifomes: Aspredinidae) from the Lower Purus River Basin, Amazon Basin, Brazil.
  • Carvalho-Filho, Sazima, I., Lima, S.M.Q., Almeida, D., Mendes, L., Dias, R.M., Britto, M.R. & Gasparini, J.L. (2020): Review of the genus Malacoctenus (Actinopterygii: Labrisomidae) from the Southwestern Atlantic, with description of two new species.
  • Chakraborty, P., Yardi, K. & Mukherjee, P. (2020): Channa brahmacharyi sp. nov., a new species of dwarf snakehead from Meghalaya, North-East India (Teleostei: Channidae).
  • Chen, M.-F., Myint, K.M., Chu, L. & Chen, X.-Y. (2020): Two new species of loaches from the Irrawaddy River basin, Chin State, Myanmar (Teleostei: Cypriniformes: Nemacheilidae).
  • Chernoff, B., Machado-Allison, A., Escobedo, J., Freiburger, M., Henderson, E., Hennessy, A., Kohn, G., Neri, N., Parikh, A., Scobell, S., Silverstone, B. & Young, E. (2020): Two new miniature silverside fishes of the genus Membras Bonaparte (Atheriniformes, Atherinopsidae) from the Tropical North Atlantic Ocean.
  • Chernova, N., Thiel, R. & Eidus, I. (2020): Four new species of Careproctus (Cottoidei: Liparidae) from the deep-water vicinity of the southern Kuril Islands (Western North Pacific).
    • Careproctus brevipectoralis Chernova et al., 2020
    • Careproctus globulus Chernova et al., 2020
    • Careproctus laperousei Chernova et al., 2020
    • Careproctus pulcher Chernova et al., 2020
  • Chuctaya, J., Ohara, W.M. & Luiz R. Malabarba, L.R. (2020): A new species of Odontostilbe Cope (Characiformes: Cheirodontinae) from rio Madeira basin diagnosed based on morphological and molecular data.
  • Cortés-Hernández, M.Á., Donascimiento, C. & Ramírez-Gil, H. (2020): A new species of Pimelodella Eigenmann & Eigenmann, 1888 (Siluriformes: Heptapteridae) from the Orinoco River basin.
  • Costa, W.J.E.M., Feltrin, C.R.M. & Katz, A.M. (2020): A new species from subtropical Brazil and evidence of multiple pelvic fin losses in catfishes of the genus Cambeva
    (Siluriformes, Trichomycteridae).
  • Costa, W.J.E.M., Henschel, E. & Katz, A.M. (2020): Multigene phylogeny reveals convergent evolution in small interstitial catfishes from the Amazon and Atlantic forests (Siluriformes: Trichomycteridae).
  • Costa, W.J.E.M., Mattos, J.L.O., Amorim, P.F., Vilardo, P.J. & Katz, A.M. (2020): Relationships of a new species support multiple origin of melanism in Trichomycterus from the Atlantic Forest of south-eastern Brazil (Siluriformes: Trichomycteridae).
  • Costa, W.J.E.M., Vilardo, P. & Katz, A.M. (2020): Sympatric sister species with divergent morphological features of psammophilic catfishes of the south-eastern Brazilian genus Microcambeva (Siluriformes: Trichomycteridae).

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  • Dallevo-Gomes, C.I.A., Mattox, G.M.T. & Toledo-Piza, M. (2020): Taxonomic review of the pipefish genus Pseudophallus Herald, with the description of a new species (Syngnathiformes: Syngnathidae).

  • Damadi, E., Moghaddam, F.Y., Ghassemzadeh, F. & Ghanbarifardi, M. (2020): Plectorhinchus makranensis (Teleostei, Haemulidae), a new species of sweetlips from the Persian Gulf and the Gulf of Oman.
  • Das, M.K., Mohapatra, A., Rajendar, K.R. & Bhaskar, R. (2020): A new species Ophichthus chennaiensis sp. nov. (Anguilliformes: Ophichthidae) from the southeast coast of India.
  • de Pinna, M., Reis, V. & Britski, H. (2020): A New Species of Trichogenes (Siluriformes, Trichomycteridae), with a Discussion on the Homologies of the Anterior Orbital Bones in Trichomycterids and Other Loricarioids.
  • Delapieve, M.L.S., Carvalho, T.P. & Reis, R.E. (2020): Species delimitation in a range-restricted group of cascudinhos (Loricariidae: Epactionotus) supports morphological and genetic differentiation across coastal rivers of southern Brazil.
  • Denys, G.P.J., Dettaï, A., Persat, H., Daszkiewicz, P., Hautecoeur, M. & Keith, P. (2020): Revision of Phoxinus in France with the description of two new species (Teleostei, Leuciscidae).
  • Dey, A., Choudhury, H., Mazumder, A., Bharali, R.C., Thaosen, S. & Sarma, D. (2020): Psilorhynchus kamengensis, a new species of fish Teleostei: Psilorhynchidae) from northeast India.
  • Dey, A., Choudhury, H., Mazumder, A., Thaosen, S. & Sarma, D. (2020): Psilorhynchus nahlongthai, a new fish species (Teleostei: Psilorhynchidae) from the Brahmaputra drainage, northeast India.
  • Dolganov, V.N. (2020): Notoraja yurii sp. n. (Arhynchobatidae: Rajoidei), a New Skate Species from the Thalassobathyal Zone of the Indian Ocean.
    • Notoraja yurii Dolganov, 2020
      • Biologiya Morya (Vladivostok), 46 (1): 60-64.
  • DoNascimiento, C. & Prada-Pedreros, S. (2020): A new troglomorphic species of Trichomycterus (Siluriformes: Trichomycteridae) from northeastern Colombia, with proposal of a new Trichomycterus subclade and remarks on some nominal species from Colombia.
  • Donin, L.M., Ferrer, J. & Carvalho, T.P. (2020): Taxonomical study of Trichomycterus (Siluriformes: Trichomycteridae) from the Ribeira de Iguape River basin reveals a new species recorded in the early 20th century.
  • Dos Anjos de Sousa, D.J., Silva-Oliveira, C., Canto, A.L.C. & Ribeiro, F.R.V. (2020): A new species of Knodus (Characiformes: Characidae) from the Rio Cupari drainage, lower Rio Tapajós basin, Brazil.

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  • Eagderi, S., Nikmehr, N. & Poorbagher, H. (2020): Ponticola patimari sp. nov. (Gobiiformes: Gobiidae) from the southern Caspian Sea basin, Iran.
  • Englmaier, G.K., Tesfaye, G. & Bogutskaya, N.G. (2020): A new species of Enteromius (Actinopterygii, Cyprinidae, Smiliogastrinae) from the Awash River, Ethiopia, and the re-establishment of E. akakianus.
  • Esguícero, A.L.H., Castro, R.M.C. & Pereira, T.N.A. (2020): Bunocephalus hertzi, a new banjo catfish from the upper Rio Paraná basin, Brazil (Siluriformes: Aspredinidae), with the redescription of Bunocephalus larai Ihering, 1930.

  • Esmaeili, H.R., Sayyadzadeh, G., Japoshvili, B., Eagderi, S., Abbasi, K. & Mousavi-Sabet, H. (2020): Rhodeus caspius, a new bitterling from Iran (Teleostei: Cypriniformes: Acheilognathidae).

  • Esmaeili, H.R., Teimori, A., Zarei, F. & Sayyadzadeh, G. (2020): DNA barcoding and species delimitation of the Old World tooth-carps, family Aphaniidae Hoedeman, 1949 (Teleostei: Cyprinodontiformes).

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  • Faria, T.C., Bastos, D.A., Zuanon, J. & Lima, F.C.T. (2020): A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the Central Amazon basin, Brazil.

  • Faria, T.C., Lima, F.C.T. & Wosiacki, W.B. (2020): A New Hyphessobrycon (Characiformes: Characidae) from the Guiana Shield in Northern Brazil.
  • Faustino-Fuster, D.R. & Ortega, H. (2020): A new species of Mastiglanis Bockmann 1994 (Siluriformes: Heptapteridae) from the Amazon River basin, Peru.
  • Feng, C.-G., Zhang, Y., Tong, C., Zhou, B.-Z., Li, X.-H., Tang, Y.-T., Song, W.-Z. & Zhao, L. (2020): A new species of Triplophysa (Cypriniformes, Nemacheilidae) from Weihe River in Gansu Province, China.
  • Ferrer, J. & Malabarba, L.R. (2020): Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands.
    • Scleronema guapa Ferrer & Malabarba, 2020
    • Scleronema ibirapuita Ferrer & Malabarba, 2020
    • Scleronema macanuda Ferrer & Malabarba, 2020
    • Scleronema mate Ferrer & Malabarba, 2020
    • Scleronema milonga Ferrer & Malabarba, 2020
    • Scleronema teiniagua Ferrer & Malabarba, 2020
  • Flausino, N., Jr., Lima, F.C.T., Machado, F.A. & Melo, M.R.S. (2020): A new species of Characidium Reinhardt (Characiformes: Crenuchidae) with a unique mid-water behavior from the upper rio Madeira basin, Brazil.
  • Freyhof, J. & Yoğurtçuoğlu, B. (2020): A proposal for a new generic structure of the killifish family Aphaniidae, with the description of Aphaniops teimorii (Teleostei: Cyprinodontiformes).
    • Aphaniops teimorii Freyhof & Yoğurtçuoğlu, 2020
    • Apricaphanius gen. n. Freyhof & Yoğurtçuoğlu, 2020
    • Type species: Cyprinodon iberus Valenciennes in Cuvier & Valenciennes, 1846
    • Esmaeilius gen. n. Freyhof & Yoğurtçuoğlu, 2020
    • Type species: Lebias sophiae Heckel, 1847
  • Fricke, R. & Durville, P. (2020): Chlorophthalmus vulcanus, a new species of greeneye from La Réunion, southwestern Indian Ocean (Teleostei: Chlorophthalmidae).
  • Fricke, R., Ordines, F. & Williston, A. (2020): Review of the deepwater cardinalfish genus Microichthys Rüppell 1852, with the description of a new species from the Azores Islands (Teleostei: Epigonidae).
  • Fricke, R. & Zhukov, M.Y. (2020): Scorpaena nasicornua sp. nov. (Teleostei: Scorpaenidae) from the Gulf of Aden, northwestern Indian Ocean.
  • Fujiwara, K., Hagiwara, K. & Motomura, H. (2020): Redescription of Lepadichthys coccinotaenia Regan 1921 and description of Lepadichthys trishula sp. nov. from southern Japan (Gobiesocidae: Diademichthyinae).
  • Fujiwara, K. & Motomura, H. (2020): A New Species of Lepadichthys from the Central South Pacific and Comments on the Taxonomic Status of Lepadichthys springeri Briggs, 2001 (Gobiesocidae).
  • Fujiwara, K., Suzuki, T. & Motomura, H. (2020): A new species of Egglestonichthys (Teleostei, Gobiiformes, Gobiidae) from Okinawa Island, Japan.
  • Fukui, Y. (2020): A new wrasse, Novaculops compressus n. sp. (Perciformes: Labridae), from the western Pacific Ocean.

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  • Gangan, S.S., Pavan-Kumar, A., Jahageerdar, S. & Jaiswar, A.K. (2020): A new species of Stolephorus (Clupeiformes: Engraulidae) from the Bay of Bengal, India.
  • García-Alzate, C.A., Lima, F.C.T., Taphorn B., D.C., Mojica, J.I., Urbano-Bonilla, A. & Teixeira, T.F. (2020): A new species of Hyphessobrycon Durbin (Characiformes: Characidae) from the western Amazon basin in Colombia and Peru.
  • Garcia-Ayala, J. & Benine, R.C. (2020): A new amazonian species of Brachychalcinus (Characiformes: Characidae) from Trombetas River basin, Brazil.
  • Gill, A.C. &  Roberts, C.D. (2020): Plectranthias cruentus, a new species of anthiadine perchlet (Teleostei: Serranidae) from the Lord Howe Rise, Tasman Sea.
  • Girard, M.G., Davis, M.P. & Smith, W.L. (2020): The Phylogeny of Carangiform Fishes: Morphological and Genomic Investigations of a New Fish Clade.
    • Centropomoidei n. subord. Girard et al., 2020
    • Menoidei n. subord. Girard et al., 2020
    • Nematistioidei n. subord. Girard et al., 2020
    • Polynemoidei Regan, 1909
      • Pleuronectoideo n. infraord. Girard et al., 2020
    • Toxotoidei n. subord. Girard et al., 2020

  • Gon, O., Bogorodsky, S.V., Mal, A.O. & Alpermann, T.J. (2020): A new species of the cardinalfish genus Apogon (Teleostei, Apogonidae) from the southern Red Sea and Indian Ocean with comments on phylogenetic relationships within the Apogonini.

  • Güçlü, S.S., Kalayci, G., Küçük, F. & Turan, D. (2020): Barbus xanthos, a new barbel from the south-eastern Aegean basin (Teleostei: Cyprinidae).
  • Guimarães, E.C., Brito, P.S., Bragança, P.H.N., Santos, J.P., Katz, A.M., Costa, L.F.C. & Ottoni, F.P. 2020. Integrative taxonomy reveals two new cryptic species of Hyphessobrycon Durbin, 1908 (Teleostei: Characidae) from the Maracaçumé and middle Tocantins River basins, Eastern Amazon region.

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  • Habib, K.A., Islam, M.J., Nahar, N. & Neogi, A.K. (2020): Pomacentrus bangladeshius, a new species of damselfish (Perciformes, Pomacentridae) from Saint Martin’s Island, Bangladesh.
  • Hastings, P.A., Eytan, R.I. % Summers, A.P. (2020): Acanthemblemaria aceroi, a new species of tube blenny from the Caribbean coast of South America with notes on Acanthemblemaria johnsoni (Teleostei: Chaenopsidae).
  • Hata, H., Lavoué, S. & Motomura, H. (2020): Stolephorus babarani, a new species of anchovy (Teleostei: Clupeiformes: Engraulidae) from Panay Island, central Philippines.
  • Hata, H. & Motomura, H. (2020): A new species of anchovy, Encrasicholina sigma (Teleostei, Clupeiformes, Engraulidae), from Sulawesi, Indonesia.
  • Hata, H. & Motomura, H. (2020): Redescription of Encrasicholina oligobranchus (Wongratana 1983) (Clupeiformes: Engraulidae) and description of a new species of Encrasicholina from New Guinea.
  • Hata, H., Quan, N.V., Ha, T.M. & Motomura, H. (2020): Thrissina belvedere, a new thryssa from Ha Long Bay, northern Vietnam and redescription of Thrissina chefuensis (Günther 1874) (Clupeiformes: Engraulidae).
  • Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. & Costa, W.J.E.M. (2020): A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil.
  • Henschel, E., Lujan, N.K. & Baskin, J.N. (2020): Ammoglanis natgeorum, a new miniature pencil catfish (Siluriformes: Trichomycteridae) from the lower Atabapo River, Amazonas, Venezuela.
  • Hernández, D., Møller, P.R., Casane, D. & García-Machado, E. (2020): A new species of the cave-fish genus Lucifuga (Ophidiiformes, Bythitidae), from eastern Cuba.
  • Herrera-Collazos, E.E., Galindo-Cuervo, A.M., Maldonado-Ocampo, J.A. & Rincón-Sandoval, M. (2020): Three new species of the Eigenmannia trilineata species group (Gymnotiformes: Sternopygidae) from northwestern South America.
  •  
  • Ho, H.-C., Endo, H. & Chu, T.-W. (2020): A new species of the codlet genus Bregmaceros from the western Pacific Ocean (Gadiformes: Bregmacerotidae).
  • Ho, H.-C. (2020): Two new deep-water batfish of the genus Malthopsis from the Pacific Ocean (Lophiiformes: Ogcocephalidae).
  • Ho, H.-S., Endo, H. Lee, C.-L. & Chu, T.-W. (2020): Bregmaceros anchovia sp. nov., a new codlet species from the western Pacific Ocean (Gadiformes: Bregmacerotidae).
  • Ho, H.-C., Graham, K. & Russell, B. (2020): Three new species of the barracudina genus Lestidium (Aulopiformes: Paralepididae) from the Indo-West Pacific.
    • [Lestidium australis Ho et al., 2020 nomen nudem]
    • Lestidium longilucifer Ho et al., 2020
    • Lestidium nigrirostrum Ho et al., 2020
    • Lestidium rofeni Ho et al., 2020
  • Hoban, M.L. & Williams, J.T. (2020): Cirripectes matatakaro, a new species of combtooth blenny from the Central Pacific, illuminates the origins of the Hawaiian fish fauna.
  • Hoser, R.T. (2020): Two new species of fish, previously confused with the Macquarie Perch Macquaria australasica Cuvier 1830 (Actinopterygii: Perciformes: Percichthyidae) from east coast drainages in Australia.
  • Hsu, H.-H., Lin, C.-Y. & Joung, S.-J. (2020): Somniosus (Rhinoscymnus) cheni sp. nov., A New Species of Sleeper Shark (Squaliformes: Somniosidae) from Eastern Taiwan, with Aspects of Embryo Biology.
  • Huang, W.-C., Mohapatra, A., Thu, P.T., Chen, H.-M. & Liao, T.-Y. (2020): A review of the genus Strophidon (Anguilliformes: Muraenidae), with description of a new species.
  • Huber, J.H. (2020): A new but since long known lampeye species, Lacustricola bragancai, from central Angola (Cyprinodontiformes, Procatopodidae).

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  • Jadhav, S., Karuthapandi, M., Chandra, K., Jaiswal, D., Dinesh, K.P. & Narahari, A. (2020): Parapsilorhynchus alluriensis, a new species of cyprinid fish (Teleostei: Cyprinidae) from the Eastern Ghats, of India.
  • Jha, K.K. (2020): Schizothorax sikusirumensis (Teleostomi: Cyprinidae: Schizothrocinae), a new fish species from river Sikusirum, Arunachal Pradesh, India.
  • Imamura, H. & Aungtonya, C. (2020): A new species of the genus Cociella Whitley, 1940 (Scorpaeniformes: Platycephalidae) from the Andaman Sea.
    • Cociella martingomoni Imamura & Aungtonya, 2020
      • Phuket Marine Biological Center Research Bulletin, #77: 25-31.

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  • Kai, Y., Matsuzaki, K., Orr, J.W., Mori, T. & Kamiunten, M. (2020): A new species of Elassodiscus (Cottoidei: Liparidae) from the North Pacific with an emended diagnosis of the genus.
  • Kai, Y., Murasaki, K., Misawa, R., Fukui, A., Morikawa, E., Narimatsu, Y. (2020): A new species of snailfish of the genus Paraliparis (Liparidae) from the western North Pacific, with a redescription of the poorly known species Paraliparis mandibularis.
  • Kamal, N.S.S., Tan, H.H. & Ng, C.K.C. (2020): Betta nuluhon, a new species of fighting fish from western Sabah, Malaysia (Teleostei: Osphronemidae).
  • Kasongo Ilunga, M., Abwe, E., Decru, E., Chocha Manda, A. & Vreven, E. (2019): Description of a new small‐sized Synodontis species (Siluriformes: Mochokidae) that is important for local subsistence fisheries in the middle Lufira (upper Congo River, DR Congo).
  • Katwate, U., Knight, J.D.M., Anoop, V.K., Raghavan, R. & Dahanukar, N. (2020): Three new species of filament barbs of the genus Dawkinsia (Teleostei: Cyprinidae) from the Western Ghats of India.
  • Katz, A.M. & Costa, W.J.E.M. (2020): A new species of the catfish genus Cambeva from the Paranapanema river drainage, southeastern Brazil (Siluriformes: Trichomycteridae).
  • Katwate, U., Apte, D. & Raghavan, R. (2020): Dawkinsia uttara, a new species of filament barb (Teleostei: Cyprinidae) from the Western Ghats of India.
  • Katwate, U., Kumkar, P., Raghavan, R. & Dahanukar, N. (2020): Taxonomy and systematics of the ‘Maharaja Barbs’ (Teleostei: Cyprinidae), with the description of a new genus and species from the Western Ghats, India.
  • Kaya, C. (2020): Spirlins of the southern Black Sea basin, with the description of a new species (Teleostei: Leuciscidae).
  • Kaya, C., Turan, D., Bayçelebi, E., Kalayci, G. & Freyhof, J. (2020): Oxynoemacheilus cilicicus, a new nemacheilid loach from the Göksu River in southern Anatolia (Teleostei: Nemacheilidae).
  • Kaya, C., Turan, D., Kalayci, G., Bayçelebi, E. & Freyhof, J. (2020): The westernmost known population of Paracobitis (Teleostei, Nemacheilidae), with the description of a new species from the Euphrates River in southern Anatolia.
  • Keith, P. & Mennesson, M.I. (2020): Review of Giuris (Teleostei: Eleotridae) from Indo-Pacific islands, with description of three new species.
    • Giuris caussei Keith et al., 2020
    • Giuris charpini Keith & Mennesson, 2020
    • Giuris yahayai Keith & Mennesson, 2020
  • Keith, P., Mennesson, M.I., Sauri, S., Busson, F., Delrieu-Trottin, E., Limmon, G., Nurjirana, Dahruddin, H. & Hubert, N. (2020): Giuris (Teleostei: Eleotridae) from Indonesia, with description of a new species.
  • Kim, L.Y., Crampton, W.G.R. & Albert, J.S. (2020): Two New Species of Gymnotus (Gymnotiformes: Gymnotidae) from Brazil and Historical Biogeography of the Subgenus Lamontianus.
  • Kimura, S., Takeda, K., Gotoh, R.O. & Hanzawa, N. (2020): A new silverside, Doboatherina palauensis (Atheriniformes: Atherinidae) from the Palau Islands in the West Pacific.
  • Kirchner, S., Kruckenhauser, L., Pichler, A., Borkenhagen, K. & Freyhof, J. (2020): Revision of the Garra species of the Hajar Mountains in Oman and the United Arab Emirates with the description of two new species (Teleostei: Cyprinidae).
  • Kobayashi, H., Masengi, K.W.A. & Yamahira, K. (2020): A New “Beakless” Halfbeak of the Genus Nomorhamphus from Sulawesi (Teleostei: Zenarchopteridae).
  • Kodeeswaran, P. & Praveenraj, J. (2020): A new species of dartfish of the genus Ptereleotris (Teleostei: Gobiidae) from the East Coast of India.
  • Koeda, K., Itou, M., Yamada, M. & Motomura, H. (2020): Rhynchobatus mononoke, a new species of wedgefish (Rhinopristiformes: Rhinidae) from Japan, with comments on Rhynchobatus laevis (Bloch and Schneider 1801).
  • Kolmann, M.A., Hughes, L.C., Hernandez, L.P., Arcila, D., Betancur-R, R., Sabaj, M.H., López-Fernández, H. & Ortí, G. (in press): Phylogenomics of piranhas and pacus (Serrasalmidae) uncovers how dietary convergence and parallelism obfuscate traditional morphological taxonomy.
  • Kottelat, M. (2020): Ceratogarra, a genus name for Garra cambodgiensis and G. fasciacauda and comments on the oral and gular soft anatomy in labeonine fishes (Teleostei: Cyprinidae).
  • Kottelat, M. & Grego, J. (2020): Kayahschistura lokalayensis, a new genus and species of cave fish from Myanmar (Teleostei: Nemacheilidae).
  • Kovačić, M., Sadeghi, R. & Esmaeili, H.R. (2020): New species of Silhouettea (Teleostei: Gobiidae) from Qeshm Island, Iran and the DNA barcoding of the Persian Gulf and Oman Sea gobies.
  • Kovačić, M., Wirtz, P. & Schliewen, U.K. (2020): A new species of Corcyrogobius (Teleostei: Gobiidae) from Île de Ngor, Senegal.

L / top

  • Larson, H.K., Jaafar, Z., Tan, H.H. & Peristiwady, T. (2020): Platygobiopsis hadiatyae, a new species of deepwater gobiid from Indonesia (Teleostei, Gobiidae, Gobiinae).
  • Last, P.R. & Pogonoski, J.J. (2020): Revision of the fish family Euclichthyidae (Pisces: Gadiformes) with the description of two new species from the Western Pacific.
  • Lehmann A., P., Camelier, P. & Zanata, A. (2020): Parotocinclus nandae, a new distinctive colored catfish (Loricariidae: Hypoptopomatinae) from the upper Rio Paraguaçu, Bahia State, northeastern Brazil.
  • Li, F., Arai, R. & Liao, T.-Y. (2020): Rhodeus flaviventris, a new bitterling (Teleostei: Cyprinidae: Acheilognathinae) from China.
  • Li, F., Liao, T.-Y. & Arai, R. (2020): Two new species of Rhodeus (Teleostei: Cyprinidae: Acheilognathinae) from the River Yangtze, China.
  • Li, X., Dao, W. & Zhou, W. (2020): Type locality and species identity of Pareuchiloglanis sinensis (Hora & Silas), with a description of a new species of the genus from the upper Yangtze River basin in Southern China.
  • Liao, F., Li, H., Yang, X., Jiang, G., Liang, Z., & Wu, Y. (2020): Húnán yú lèi yuánsè túpǔ [Hunan Fish Primary Color Atlas]. 
    • Rhinogobius albomarginatus Liao, Li & Wu, 2020
    • Rhinogobius longshanensis Wu, Li & Yang, 2020
    • Rhinogobius rubspilus Li, Yang & Liao, 2020
    • Silurus exophthalmus Yang, Ou, Li & Wu, 2020
    • Vanmanenia lineatus Xie, Li & Yang, 2020
    • Zacco linwuensis Li, Yang, Yuan, Xie & Wu, 2020 [Note: all new names might be nomina nuda, because descriptions have not yet been detected]
  • Lima, F.C.T. & Britto, M.R. (2020): A new Corydoras (Ostariophysi: Siluriformes: Callichthyidae) with an unusual sexual dimorphism from the rio Juruena basin, Brazil.
  • Lima, F.C.T., Urbano-Bonilla, A. & Prada-Pedreros, S. (2020): A new Hemigrammus from the upper Río Vaupés, Colombia (Characiformes: Characidae), with a discussion on the presence of an enlarged urogenital papilla in the family.
  • Lord, C., Keith, P., Causse, R. & Amick, P. (2020): A new species of Sicyopterus (Teleostei: Gobioidei: Sicydiinae) from Papua New Guinea.
  • Luo, Z. & Chen, X. (2020): Exostoma dulongensis, a new glyptosternine catfish from the Irrawaddy basin, Yunnan, China (Siluriformes: Sisoridae).
    • Exostoma dulongensis Luo & Chen, 2020 Note: genus is of neuter grammatical gender, species name therefore is E. dulongense.

M / top

  • Malabarba, L.R., Chuctaya, J., Hirschmann, A., Bitencourt de Oliveira, E. & Thomaz, A.T. (2020): Hidden or unnoticed? Multiple lines of evidence support the recognition of a new species of Pseudocorynopoma (Characidae: Corynopomini).
  • Mambo Baba, T., Kisekelwa, T., Danadu Mizani, C., Decru, E. & Vreven, E. (2020): Hidden species diversity in Marcusenius moorii (Teleostei: Mormyridae) from the Congo Basin.
  • Marceniuk, A.P., Caires, R.A., Rotundo, M.M., Cerqueira, N.N.C.D., Siccha-Ramirez, R., Wosiacki, W.B. & Oliveira, C. (2020): Taxonomic revision of the Menticirrhus americanus (Linnaeus, 1758) and M. littoralis (Holbrook, 1847) (Percomorphacea: Sciaenidae) species complexes from the western Atlantic.
  • Mateussi, N.T.B., Melo, B.F. & Oliveira, C. (2020): Molecular delimitation and taxonomic revision of the wimple piranha Catoprion (Characiformes: Serrasalmidae) with the description of a new species.
  • Mathubara, K. & Toledo-Piza, M. (2020): Taxonomic study of Moenkhausia cotinho Eigenmann, 1908 and Hemigrammus newboldi (Fernández-Yépez, 1949) with the description of two new species of Moenkhausia (Teleostei: Characiformes: Characidae).
    • Moenkhausia pirahan Mathubara & Toledo-Piza, 2020
    • Moenkhausia rondoni Mathubara & Toledo-Piza, 2020
  • Matsuura, K., Bogorodsky, S.V., Mal, A.O. & Alpermann, T.J. (2020): Canthigaster aziz, a new deep-dwelling toby fish (Tetraodontiformes: Tetraodontidae) from the Red Sea.
  • Matsuzaki, K., Mori, T., Kamiunten, M., Yanagimoto, T. & Kai, Y. (2020): A new species of Careproctus (Cottoidei: Liparidae) from the Sea of Okhotsk and a redescription of the blacktip snailfish Careproctus zachirus.
  • Mattox, G.M.T., Souza, C.S., Toledo-Piza, M., Britz, R. & Oliveira, C. (2020): A new miniature species of Priocharax (Teleostei: Characiformes: Characidae) from the Rio Madeira drainage, Brazil, with comments on the adipose fin in characiforms.
  • McCosker, J.E., Bogorodsky, S.V., Mal, A.O. & Alpermann, T.J. (2020): Description of a new snake eel Ophichthus olivaceus (Teleostei: Anguilliformes, Ophichthidae) from the Red Sea.
  • McFarland, E.P., Baldwin, C.C., Robertson, D.R., Rocha, L.A. & Tornabene, L. (2020): A new species of Chromis damselfish from the tropical western Atlantic (Teleostei, Pomacentridae).
  • Medeiros, L.S., Moreira, C.R., De Pinna, M. & Lima, S.M.Q. (2020): A new catfish species of Microcambeva Costa & Bockmann 1994 (Siluriformes: Trichomycteridae) from a coastal basin in Rio de Janeiro State, southeastern Brazil.
  • Menezes, N.A., Ferreira, K.M. & Netto-Ferreira, A.L. (2020): A new species of Knodus (Characiformes: Characidae: Stevardiinae) from the rio Aripuanã, rio Madeira basin, Brazil.
  • Mennesson, M.I. & Keith, P. (2020): Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species.
    • Eleotris diamsoi Mennesson et al., 2020
    • Eleotris sahanaensis Mennesson et al., 2020
    • Eleotris valadei Mennesson et al., 2020
  • Mesquita Alves, R., Oliveira, I.H.R., Pasa, R. & Kavalco, K.F. (2020): A new species of genus Psalidodon Eigenmann, 1911 related to the P. paranae complex (Characiformes Characidae) from Upper Paranaíba river basin, Brazil, supported by genetic and morphometric data.
  • Miranda, G. & Fernández, L. (2020): A New Species of Trichomycterus (Siluriformes: Trichomycteridae) from Madidi National Park, Amazon Basin, Bolivia.
  • Misawa, R., Orlov, A.M., Orlova, S.Y., Gordeev, I.I., Ishihara, H., Hamatsu, T., Ueda, Y., Fujiwara, K., Endo, H. & Kai, Y. (2020): Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes: Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific), with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi.
  • Miyamoto, K., McMahan, C.D. & Kaneko, A. (2020): Parascolopsis akatamae, a new species of dwarf monocle bream (Perciformes: Nemipteridae) from the Indo-West Pacific, with redescription of closely related species P. eriomma.
  • Mohapatra, A., Ray, D., Mohanty, S.R. & Mishra, S.S. (2020): Ophichthus kailashchandrai sp. nov. (Anguilliformes: Ophichthidae): a new species of snake eel from Indian waters, Bay of Bengal.
  • Moore, A.B.M., Last, P.R. & Naylor, G.J.P. (2020): Hemitrygon yemenensis sp. nov., a new species of stingray (Myliobatoidea: Dasyatidae) from the northwestern Indian Ocean.
  • Moral-Flores, L.F., López-Segovia, E. & Hernández-Arellano, T. (2020): Profundulus chimalapensis, una nueva especie de pez ciprinodóntido (Cyprinodontiformes: Profundulidae) del Río Coatzacoalcos, México.
  • Morishita, S. & Motomura, H. (2020): Sphyraena stellata, a new barracuda from the Indo-Pacific, with redescriptions of S. helleri Jenkins, 1901 and S. novaehollandiae Günther, 1860 (Perciformes: Sphyraenidae)
  • Moyon, W.A. & Arunkumar, L. (2020): Garra chivaensis, a new labeonin species (Cyprinidae: Labeoninae) from Manipur, North-Eastern India.
  • Mukweze Mulelenu, C., Katemo Manda, B., Decru, E., Chocha Manda, A. & Vreven, E. (2020): The Cyphomyrus Myers 1960 (Osteoglossiformes: Mormyridae) of the Lufira Basin (Upper Lualaba: DR Congo): a generic reassignment and the description of a new species.

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  • Nagy, B. & Chocha Manda, A. (2020): Lacustricola nitida, a new species of lampeye from the upper Lualaba drainage, Democratic Republic of Congo (Teleostei: Cyprinodontiformes: Procatopodidae).
  • Nagy, B., Watters, B.R., van der Merwe, P.D.W., Cotterill, F.P.D. & Bellstedt, D.U. (2020): Review of the Nothobranchius ugandensis species group from the inland plateau of eastern Africa with descriptions of six new species (Teleostei: Nothobranchiidae).
    • Nothobranchius albertinensis Nagy et al., 2020
    • Nothobranchius attenboroughi Nagy et al., 2020
    • Nothobranchius hoermanni Nagy et al., 2020
    • Nothobranchius itigiensis Nagy et al., 2020
    • Nothobranchius moameensis Nagy et al., 2020
    • Nothobranchius venustus Nagy et al., 2020
  • Nakayama, N. (2020): Grenadiers (Teleostei: Gadiformes: Macrouridae) of Japan and adjacent waters, a taxonomic monograph.
    • Coelorinchus lanceolatus Nakayama, 2020
    • Coelorinchus nox Nakayama, 2020
    • Kuronezumia endoi Nakayama, 2020
    • Nezumia rara Nakayama, 2020
  • Nakayama, N., Prokofiev, A.M. & Kawai, T. (2020): Coelorinchus posteromaculatus (Actinopterygii, Gadiformes, Macrouridae), a new species of grenadier from the eastern Indian Ocean.
  • Nashad, M., Mohapatra, A., Varghese, S.P., Ramalingam, L., Bineesh, K. K. & Mohanty, S.R. (2020): A new white-spotted moray eel, Gymnothorax aurocephalus sp. nov. (Muraenidae: Muraeninae) from Andaman Sea, India.
  • Ng, H.H. & Tan, H.H. (2020): A new, uniquely patterned spiny eel (Teleostei: Mastacembelidae) from southern Borneo, Kalimantan Tengah, Indonesia.
  • Nguyen, D.T., Ho, A.T., Hoang, N.T., Wu, H. & Zhang, E (2020): ‘Henicorhynchus’ thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae).

O / top

  • Oliveira, R.R., Ribeiro, F.R.V., Canto, A.L.C. & Zawadzki, C.H. (2020): A new species of the Neotropical loricariid of Hypostomus cochliodon group (Hypostominae) from the lower Rio Tapajós basin, Brazilian Amazon.
  • Orlovskaya, M.V. & Balushkin, A.V. (2020): Description of a New Species of Pelagic Eelpout Melanostigma lazarevi sp. nova (Zoarcidae) from the D’Urville Sea (Southern Ocean).
  • Orlovskaya, M.V. & Balushkin, A.V. (2020): Melanostigma bellingshauseni sp. n. (Zoarcidae): a New Pelagic Eelpout from Large Depths in the Central Part of the Kerguelen Plateau (Southern Ocean).
  • Orr, J.W. (2020): A New Snailfish of the Genus Careproctus (Cottiformes: Liparidae) from the Beaufort Sea.
  • Orr, J.W., Pitruk, D.L., Manning, R., Stevenson, D.E., Gardner, J.R., Spies, I. (2020): A New Species of Snailfish (Cottiformes: Liparidae) Closely Related to Careproctus melanurus of the Eastern North Pacific.
  • Ortega-Lara, A. & Lujan, N.K. (2020): Panaque nigrolineatus laurafabianae, a new, commercially exploited subspecies of ornamental wood-eating pleco (Loricariidae: Hypostominae) from the Guaviare River basin in Colombia.
  • Ota, R.R., Carvalho, F.R. & Pavanelli, C.S. (2020): Taxonomic review of the Hyphessobrycon panamensis species-group (Characiformes: Characidae).
  • Ota, R.P., Machado, V.N., Andrade, M.C., Collins, R.A., Farias, I.P. & Hrbek, T. (2020): Integrative taxonomy reveals a new species of pacu (Characiformes: Serrasalmidae: Myloplus) from the Brazilian Amazon.
  •  

P / top

  • Page, L.M., Pfeiffer, J.M., Suksri, S., Randall, Z.S. & Boyd, D.A. (2020): Variation in the Arrow Loach, Nemacheilus masyae (Cypriniformes: Nemacheilidae), in Mainland Southeast Asia with Description of a New Species.
  • Parenti, P. & Randall, J.E. (2020): An annotated checklist of the fishes of the family Serranidae of the world with description of two new related families of fishes.
    • Caesioscorpididae n. fam.  Parenti & Randall, 2020
    • Type genus: Caesioscorpis Whitley 1945
    • Hemilutjanidae n. fam.  Parenti & Randall, 2020
    • Type genus: Hemilutjanus Bleeker, 1876
  • Peixoto, L.A.W., Pastana, M.N.L. & Ballen, G.A. (2020): New species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) with comments on the morphology and function of the enlarged cephalic lateral-line canals of Sternopygidae.
  • Petean, F.F., Naylor, G.J.P. & Lima, S.M.Q. (2020): Integrative taxonomy identifies a new stingray species of the genus Hypanus Rafinesque, 1818 (Dasyatidae, Myliobatiformes) from the Tropical Southwestern Atlantic.
  • Plamoottil, M. & Maji, D. (2020): Systomus gracilus: a new fish (Cypriniformes: Cyprinidae) species from West Bengal.
    • Systomus gracilus Plamoottil & Maji, 2020
      • Journal of Experimental Zoology India, 23 (2): 1033-1038.
  • Plamoottil, M. & Vineeth, K. (2020): Short Communication: A new cyprinid fish Barilius cyanochlorus from Kerala, India.

  • Prasad, K.K., Srinivasulu, C., Srinivasulu, A., Anoop, V.K. & Dahanukar, N. (2020): Indoreonectes telanganaensis, a new species of loach (Teleostei: Nemacheilidae) from the Godavari Basin of India.

  • Praveenraj, J., Thackeray, T., Singh, S.G., Uma, A., Moulitharan, N. & Mukhim, B.K. (2020): A New Species of Snakehead (Teleostei: Channidae) from East Khasi Hills, Meghalaya, Northeastern India.
  • Prokofiev, A.M. (2020): A New Species of Batfish of the Genus Halicmetus from Vietnam and New Morphological Data for H. ruber (Ogcocephalidae).
  • Prokofiev, A.M. (2020): A new species of green eye fish (Chlorophthalmidae) from the waters of Vietnam.
  • Prokofiev, A.M. (2020): A new species of Halieutaea (Teleostei: Lophiiformes: Ogcocephalidae) with a revised identification key for the genus.
  • Prokofiev, A.M. (2020): On Some Little-known Melanostomiidae with the Description of a New Species of Eustomias.
  • Prokofiev, A.M. (2020): Revision of the Generic Classification of “Long-Bodied” Opisthoproctids (Opisthoproctidae) with a Description of New Taxa and New Finds.
  • Prokofiev, A.M. & Iwamoto, T. (2020): Revision of the Grenadier Genus Coelorinchus (Teleostei: Macrouridae) from the Mascarene Ridge, Western Indian Ocean, with Description of Two New Species.
    • Coelorinchus mascarenus Prokofiev & Iwamoto, 2020
    • Coelorinchus paraboliceps Prokofiev & Iwamoto, 2020
      • Proceedings of the California Academy of Sciences, Series 4, 66 (9): 231-273.
  • Prokofiev, A.M. & Kukuev, E.I. (2020): A New Species of Rhynchohyalus from the Southeastern Pacific Ocean with Notes on R. natalensis (Opisthoproctidae).
  • Prokofiev, A.M., Psomadakis, P.N. & Gon, O. (2020): A new deep-bodied species of Antigonia (Teleostei, Antigoniidae) from the Andaman Sea (northeastern Indian Ocean).
  • Prokofiev, A.M. & Yato, T. (2020): A new species of Lepidotrigla from the South China Sea off Vietnam (Teleostei: Scorpaeniformes: Triglidae).
  • Provenzano-Rizzi, F., & Barriga-Salazar, R. (2020): New finding of Rhadinoloricaria macromystax (Siluriformes: Loricariidae): redescription of the genus and description of a new species from Ecuador.

R / top

  • Queiroz Rodrigues, E.K. & Netto-Ferreira, A.L. (2020): A new miniature species of Odontocharacidium (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela.

R / top

  • Reis, V.J.C., dos Santos, S.A., Britto, M.R., Volpi, A.T. & de Pinna, M.C.C. (2020): Iterative taxonomy reveals a new species of Trichomycterus Valenciennes 1832 (Siluriformes, Trichomycteridae) widespread in Rio Doce basin: a pseudocryptic of T. immaculatus.
  • Restrepo-Gómez, A.M., Rangel-Medrano, J.D., Márquez, E.J. & Ortega-Lara, A. (2020): Two new species of Pseudopimelodus Bleeker, 1858 (Siluriformes: Pseudopimelodidae) from the Magdalena Basin, Colombia.
    • Pseudopimelodus atricaudus Restrepo-Gómez et al., 2020
    • Pseudopimelodus magnus  Restrepo-Gómez et al., 2020
  • Ribeiro-Silva, L.R., Silva, G.S.C., Venere, P.C., Da Silva, H.P. & Roxo, F.F. (2020): Description of a new species of Hisonotus (Loricariidae: Siluriformes) from rio Araguaia basin.
  • Roberts, T.R. (2020): Nasutoryzias ataranensis new genus and species, a Slender Adrianichthyid Fish with specialized oral and pharyngeal teeth and pectoral fins covered with Melanophores from the lower Salween basin, Myanmar.
  • Roberts, T.R. (2020): Two new species of the spiny percheel genus Mastacembelus (Synbranchiformes, Mastacembelidae) with low numbers of dorsal fin spines from the Congo basin.
  • Rodriguez-Silva, R., Torres-Pineda, P. & Josaphat, J. (2020): Limia mandibularis, a new livebearing fish (Cyprinodontiformes: Poeciliidae) from Lake Miragoane, Haiti.
  • Rodriguez-Silva, R. & Weaver, P.F. (2020): A new livebearing fish of the genus Limia (Cyprinodontiformes: Poeciliidae) from Lake Miragoane, Haiti.
  • Russell, B.C. & Gouws, G. (2020): A new species of Nemipterus (Pisces: Nemipteridae) from the Western Indian Ocean.

S / top

  • Sayyadzadeh, G. & Esmaeili, H.R. (2020): Oxynoemacheilus marunensis, a new loach species from the Persian Gulf basin with remarks on O. frenatus (Teleostei: Nemacheilidae).
  • Schedel, F.D.B., Kupriyanov, V.M.S., Katongo, C. & Schliewen, U.K. (2020): Palaeoplex gen. nov. and Lufubuchromis gen. nov., two new monotypic cichlid genera (Teleostei: Cichlidae) from northern Zambia.
    • Lufubuchromis n. gen. Schedel et al., 2020
    • Type species: Lufubuchromis relictus Schedel et al., 2020
    • Palaeoplex n. gen. Schedel et al., 2020
    • Type species: Palaeoplex palimpsest Schedel et al., 2020
  • Schwarzhans, W.W., Mincarone, M.M. & Villarins, B.T. (2020): A new species of the genus Verilus (Teleostei, Percomorpha, Acropomatidae) from Brazil.
  • Selz, O.M., Dönz, C.J., Vonlanthen, P. & Seehausen, O. (2020): A taxonomic revision of the whitefish of lakes Brienz and Thun, Switzerland, with descriptions of four new species (Teleostei, Coregonidae).
    • Coregonus acrinasus Selz et al., 2020
    • Coregonus brienzii Selz et al., 2020
    • Coregonus profundus Selz et al., 2020
    • Coregonus steinmanni Selz et al., 2020
  • Shangningam, B. & Kosygin, L. (2020): A New Sisorid Catfish of the Genus Exostoma Blyth from the Chindwin-Irrawaddy Drainage in Northeastern India (Teleostei: Siluriformes).
    • Exostoma dujangensis Shangningam & Kosygin, 2020 Note: Exostoma is neuter, therefore the species name must be changed to dujangense.
    •  
  • Shangningam, B., Rath, S., Tudu, A.K. & Kosygin, L. (2020): A new species of Osteobrama (Teleostei: Cyprinidae) from the Mahanadi River, India with a note on the validity of O. dayi.
  • Shelley, J.J., Delaval, A., Le Feuvre, M.C., Dempster, T., Raadik, T.A. & Swearer, S.E. (2020): Revision of the genus Hannia (Teleostei, Terapontidae), with description of a new species, Hannia wintoni, from the Kimberley, Western Australia.
  • Shepherd, B., Phelps, T.A.Y., Pinheiro, H.T., Rocha, C.R. & Rocha, L.A. (2020): Two new species of Plectranthias (Teleostei, Serranidae, Anthiadinae) from mesophotic coral ecosystems in the tropical Central Pacific.
    • Plectranthias hinano Shepherd et al., 2020
    • Plectranthias polygonius Shepherd et al., 2020
  • Shepherd, B., Pinheiro, H.T., Phelps, T.A.Y., Easton, E.E., Pérez-Matus, A. & Rocha, L.A. (2020): A New Species of Chromis (Teleostei: Pomacentridae) from Mesophotic Coral Ecosystems of Rapa Nui (Easter Island) and Salas y Gómez, Chile.
  • Shibuya, S. & Motomura, H. (2020): Parupeneus williamsi, a new species of goatfish (Perciformes: Mullidae) endemic to the Marquesas Islands, French Polynesia.
  • Short, F., Claassens, L., Smith, R., De Brauwer, M., Hamilton, H., Stat, M. & Harasti, D. (2020): Hippocampus nalu, a new species of pygmy seahorse from South Africa, and the first record of a pygmy seahorse from the Indian Ocean (Teleostei, Syngnathidae).
  • Short, G. & Trevor-Jones, A. (2020): Stigmatopora harastii, a new species of pipefish in facultative associations with finger sponges and red algae from New South Wales, Australia (Teleostei, Syngnathidae).
  • Silva, G.S.C. (2020): A new species of Phenacorhamdia Dahl 1961 (Siluriformes: Heptapteridae) from the Paranapanema River basin, southeastern Brazil.
  • Silva-Junior, D.E., Ramos, T.P.A. & Zanata, A.M. (2020): A new species of Parotocinclus with reduced adipose fin (Loricariidae: Hypoptopomatinae), from the rio Jacuípe basin, Bahia State, Brazil.
  • Silva‐Oliveira, C., Moreira, C.R., Lima, F.C.T. & Rapp Py‐Daniel, L. (2020): The true identity of Bryconops cyrtogaster (Norman), and description of a new species of Bryconops Kner (Characiformes: Iguanodectidae) from the Rio Jari, lower Amazon basin.
  • Silveira Silva, I., Nogueira, A.F., Netto-Ferreira, A.L., Akama, A. & Dutra, G.M. (2020): A new species of Hemiodus Müller (Characiformes: Hemiodontidae) from the lower Rio Xingu, Brazil.
  • Sithole, Y., Smith, D.G., Mwale, M. & Gouws, G. (2020): A taxonomic revision of Gymnothorax undulatus (Anguilliformes: Muraenidae) in the Western Indian Ocean, with description of a new species.
  • Smith, D.G., Karmovskaya, E.S. & Da Silva, J.P.C.B. (2020): A new congrid eel (Teleostei: Anguilliformes: Congridae) from the Western Pacific, with an analysis of its relationships.
  • Song, Y.S. & Kim, J.-K. (2020): A new species of hagfish, Eptatretus wandoensis sp. nov. (Agnatha, Myxinidae), from the southwestern Sea of Korea.
  • Souza, J.S., Sarmento-Soares, L.M., Canto, A.L.C. & Ribeiro, F.R.V. (2020): Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae).
  • Stauffer, J.R., Jr. (2020): Description of three species of Salvelinus (Teleostei: Salmonidae) from the Great Smoky Mountains National Park, Tennessee, U.S.A.
  • Sterling, K.A. & Warren, M.L., Jr. (2020): Description of a new species of cryptic snubnose darter (Percidae: Etheostomatinae) endemic to north-central Mississippi.
  • Sudasinghe, H., Pethiyagoda, R., Hettiarachchige, R., Ranasinghe, T., Raghavan, R., Dahanukar, N. & Meegaskumbura, M. (2020): A molecular phylogeny of the freshwater-fish genus Rasbora (Teleostei: Cyprinidae) in Sri Lanka reveals a remarkable diversification – And a cryptic species.
  • Sudasinghe, H., Pethiyagoda, R. & Meegaskumbura, M. (2020): A molecular phylogeny of the genus Laubuka (Teleostei: Cyprinidae) in Sri Lanka reveals multiple origins and a cryptic species.
  • Sudasinghe, H., Pethiyagoda, R. & Meegaskumbura, M. (2020): Evolution of Sri Lanka’s Giant Danios (Teleostei: Cyprinidae: Devario): teasing apart species in a recent diversification.
  • Suvarnaraksha, A. (2020): Oreoglanis omkoiense: a new torrent catfish from northern Thailand (Pisces: Siluriformes, Sisoridae).

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  • Tan, H.H. &, Grinang, J. (2020): Parosphromenus barbarae, a new species of Licorice Gourami from Sarawak, Borneo (Teleostei: Osphronemidae).
  • Tan, H.H. & Kottelat, M. (2020): Rasbora marinae, a new species of cyprinid fish from northwestern Borneo (Teleostei: Danionidae).
  • Tang, C,-N., Lai, N.-W. & Ho, H.-C. (2020): Plectranthias purpuralepis sp. nov., a new anthiadine perchlet from northern Taiwan (Perciformes: Serranidae).
  • Tea, Y.-K., Gill, A.C. & Senou, H. (2020): Two New Species of Pseudojuloides from Western Australia and Southern Japan, with a Redescription of Pseudojuloides elongatus (Teleostei: Labridae).
  • Tea, Y.-K., Greene, B.D., Earle, J.L. & Gill, A.C. (2020): Two New Species of Pencil Wrasses (Teleostei: Labridae: Pseudojuloides) from Micronesia and the Marquesan Islands.
  • Tea, Y.-K., Pyle, R.L. & Rocha, L.A. (2020): A New Species of Fairy Wrasse (Teleostei: Labridae: Cirrhilabrus) from Mesophotic Coral Ecosystems of the Verde Island Passage, Philippines.
  • Tencatt, L.F.C., Muriel-Cunha, J., Zuanon, J., Ferreira, M.F.C. & Britto, M.R. (2020): A journey through the Amazon Middle Earth reveals Aspidoras azaghal (Siluriformes: Callichthyidae), a new species of armored catfish from the rio Xingu basin, Brazil.
  • Terán, G.E., Benitez, M.F. & Mirande, J.M. (2020): Opening the Trojan horse: phylogeny of Astyanax, two new genera and resurrection of Psalidodon (Teleostei: Characidae).
  • Thimotheo, M.G.R., Benine, R.C., Oliveira, C. & Silva, G.S.C. (2020): New species of the Corumbataia cuestae group (Siluriformes: Loricariidae) from the Rio Tocantins basin, with comments on its phylogenetic relationships.
  • Turan, D., Kalayci, G., Bektaş, Y., Kaya, C. & Baycelebi, E. (2020): A new species of trout from the northern drainages of Euphrates River, Turkey (Salmoniformes: Salmonidae).

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  • Uejo, T., Senou, H. & Motomura, H. (2020): Roa haraguchiae, a new species of butterflyfish (Teleostei: Perciformes: Chaetodontidae) from Japan and the Philippines.
  • Uiblein, F., Gouws, G., Lisher, M. & Malauene, B.S. (2020): Upeneus floros, a new goatfish from South Africa and Mozambique, with updated taxonomic accounts for U. guttatus and U. pori and a key to Western Indian Ocean Upeneus species (Mullidae).

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  • Vanegas‐Ríos, J.A., Faustino‐Fuster, D.R., Meza‐Vargas, V. & Ortega, H. (2020): Phylogenetic relationships of a new genus and species of stevardiine fish (Characiformes: Characidae: Stevardiinae) from the Río Amazonas basin, Peru.
  • Vasil’eva, E.D., Solovyeva, E.N., Levin, B.A. & Vasil’ev, V.P. (2020): Cobitis derzhavini sp. nova — a New Spined Loach Species (Teleostei: Cobitidae) Discovered in the Transcaucasia.
  • Vermeulen, F.B.M. (2020): A new species of the aplocheiloid killifish genus Rivulus (s.l.) (Cyprinodontiformes, Rivulidae) from the Unete River, Eastern Colombia.
  • Vermeulen, F.B.M. & Mejía-Vargas, D. (2020): A new species in the genus Rivulus (s.l.) (Cyprinodontiformes, Rivulidae) from the Alto Rio Negro, Guainía Department, South-Eastern Colombia.
  • Vermeulen, F.B.M. & Mejía-Vargas, D. (2020): Two new sympatric species of the aplocheiloid killifish genus Rivulus (s.l.) (Cyprinodontiformes: Rivulidae) from the Alto Rio Negro, Guainía Dpt., Colombia.
  • Viana, S.T.F.L. & Carvalho, M.R. (2020): Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited.
  • Victor, B.C. (2020): Review of the glass blennies (Teleostei: Chaenopsidae: Emblemariopsis) with two new species from the Caribbean Sea.
  • Vilardo, P.J., Katz, A.M. & Costa, W.J.E.M. (2020): Relationships and Description of a New Species of Trichomycterus (Siluriformes: Trichomycteridae) from the Rio Paraíba do Sul Basin, South-eastern Brazil.
  • Vo, Q.V. & Ho, H.-C. (2020): A new species of Atractodenchelys (Synaphobranchidae, Anguilliformes) from Vietnam.
  • Voskoboinikova, O.S. & Orlov, A.M. (2020): Proeumicrotremus gen. nov. – a New Genus for Eumicrotremus soldatovi (Cyclopteridae).

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  • Wagner, M., Kovacic, M. & Koblmüller, S. (2020): Unravelling the taxonomy of an interstitial fish radiation: Three new species of Gouania (Teleostei: Gobiesocidae) from the Mediterranean Sea and redescriptions of G. willdenowi and G. pigra.
  • Wanghe, K., Hu, F., Chen, M. & Luan, X. (2020): Rhinogobius houheensis, a new species of freshwater goby (Teleostei: Gobiidae) from the Houhe National Nature Reserve, Hubei province, China.
  • Watters, B.R., Nagy, B., van der Merwe, P.D.W., Cotterill, F.P.D. & Bellstedt, D.U. (2020): Redescription of the seasonal killifish species Nothobranchius ocellatus and description of a related new species Nothobranchius matanduensis, from eastern Tanzania (Teleostei: Nothobranchiidae).
  • Weigmann, S., Gon, O., Leeney, R.H., Barrowclift, E., Berggren, P., Jiddawi, N. & Temple, A.J. (2020): Revision of the sixgill sawsharks, genus Pliotrema (Chondrichthyes, Pristiophoriformes), with descriptions of two new species and a redescription of  P.  warreni Regan.
  • Wibowo, K. & Motomura, H. (2020): Review of the Scorpaena papillosa species complex (Teleostei: Scorpaenidae) with description of a new species from southwestern Australia.
  • Winterbottom, R. (2020): A new species of Trimma (Pisces: Gobiidae) from the northern Palauan Islands, western Pacific Ocean.
  • Wu, H., Qu, M., Lin, H., Tang, W. & Ding, S. (2020): Epinephelus tankahkeei, a new species of grouper (Teleostei, Perciformes, Epinephelidae) from the South China Sea.

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  • Yoğurtçuoğlu, B., Kaya, C., Geiger, M.F. & Freyhof, J. (2020): Revision of the genus Seminemacheilus, with the description of three new species (Teleostei: Nemacheilidae).
    • Seminemacheilus attalicus  Yoğurtçuoğlu  et al., 2020
    • Seminemacheilus ekmekciae Yoğurtçuoğlu  et al., 2020
  • Yoshida, T. & Motomura, H. (2020): Apogon soloriens, a new species of cardinalfish (Perciformes: Apogonidae) from the Bonin Islands, Japan.
  • Yosuva, M., Ho, H.-C., Jeyapragash, D. & Saravanakumar, A. (2020): Parapercis annamalai sp. nov., a new sandperch from southwestern India (Family Pinguipedidiae).
  • Ywamoto, E.V., Nielsen, D.T.B. & Oliveira, C. (2020): Description of a new species of the Melanorivulus pictus species-group (Cyprinodontiformes: Rivulidae) from the Rio Paraná basin in Brazil.

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  • Zanata, A.M., Ohara, W.M., Oyakawa, O.T. & Dagosta, F.C.P. (2020): A new rheophilic South American darter (Crenuchidae: Characidium) from the rio Juruena basin, Brazil, with comments on morphological adaptations to life in fast-flowing waters.
  • Zanata, A.M., Ribeiro, T.C., Araújo-Porto, F.A., Pessali, T.C. & Oliveira-Silva, L. (2020): A new species of Characidium (Characiformes: Crenuchidae) from the upper rio São Francisco basin, Minas Gerais, Brazil.
  • Zhang, R., Wang, X., Wan, S., Ma, S. & Lin, Q. (2020): A new species of Pegasus (Syngnathiformes: Pegasidae) from the South China Sea.