New Taxa – 2021

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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  • Abujam, S., Gogoi, B., Das, A.N., Das, D.N., Biswas, S.P. & Bleher, H. (2021): Esomus nimasowi a new species of flying barb (Cypriniformes: Danionidae) from Assam north-eastern India.
    • Esomus nimasowi Abujam et al., 2021[Due to a recent notice we had to learn that the issues of this journal, after issue 1-2021 are only published as e-paper, do not contain a ZooBank registration and therefore all new taxa are not available in the sense of the ICZN.]
  • Acevedo-Álvarez, E.A., Ruiz-Campos, G. & Domínguez-Domínguez, O. (2021): Population-level morphological variation of Anisotremus interruptus (Gill, 1862) (Perciformes: Haemulidae) in the Tropical Eastern Pacific, with the description of two new species.
    • Anisotremus espinozai Acevedo-Álvarez et al., 2021
    • Anisotremus perezponcedeleoni Acevedo-Álvarez et al., 2021
  • Alavi-Yeganeh, M.S., Khajavi, M. & Kimura, S. (2021): A new ponyfish, Deveximentum mekranensis (Teleostei: Leiognathidae), from the Gulf of Oman.
  • Allen, G.R. & Allen, M.G. (2021): Two new species of Chromis (Teleostei: Pomacentridae) from northwestern Australia and the southwestern Pacific Ocean, previously part of C. fumea (Tanaka, 1917).
  • Allen, G.R. & Erdmann, M.V. (2021): Description of two new sand-dwelling gobies (Gobiidae: Hazeus) from the tropical western Pacific Ocean.
    • Hazeus ammophilus Allen & Erdmann, 2021
    • Hazeus profusus Allen & Erdmann, 2021 [Due to a recent notice we had to learn that the issues of this journal, after issue 1-2021 are only published as e-paper, do not contain a ZooBank registration and therefore all new taxa are not available in the sense of the ICZN.]
  • Andrews, K.R., Fernandez-Silva, I., Randall, J.E. & Ho, H.-C. 2021. Etelis boweni sp. nov., a new cryptic deepwater Eteline snapper from Indo-Pacific (Perciformes: Lutjanidae).
  • Ardila Rodríguez, C.A. 2021. Creagrutus mariposa sp. nov. – C. jordanensis C. ardilai y C. martinezi, cuatro nuevas especies del Departamento de Santander Columbia.
  • Armbruster, J.W., Lujan, N.K. & Bloom, D.D. (2021): Redescription of the Guiana Shield Darter Species Characidium crandellii and C. declivirostre (Crenuchidae) with Descriptions of Two New Species.

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  • Bauer, A.B., Schwarzhans, W.W., Moura, R.L., Nunes, J.A.C.C. & Mincarone, M.M. (2021): A new species of viviparous brotula genus Pseudogilbia (Ophidiiformes: Dinematichthyidae) from Brazilian reefs, with an updated diagnosis of the genus.
  • Bayçelebi, E., Kaya, C., Turan, D. & Freyhof, J. (2021): Garra orontesi, a new species from the Orontes River drainage (Teleostei: Cyprinidae).
  • Bentley, R.F., Grant, S. & Tencatt, L.F.C. (2021): A new arc-striped species of Corydoras Lacépède, 1803 (Teleostei: Callichthyidae) from the Peruvian Amazon.
  • Bitja-Nyom, A.R., Agnèse, J.F., Pariselle, A., Bilong-Bilong, C.F., Gilles, A. & Snoeks, J. (2021): A systematic revision of the five-spotted Hemichromis complex (Cichliformes: Cichlidae) from West Africa and Lower Guinea, with the description of a new species from Cameroon.
  • Bockmann, F.A. & Reis, R.E. (2021): Two new, remarkably colored species of the Neotropical catfish genus Cetopsorhamdia Eigenmann & Fisher, 1916 (Siluriformes, Heptapteridae) from Chapada dos Parecis, western Brazil, with an assessment of the morphological characters bearing on their phylogenetic relationships.
  • Bragança, P.H.N., Skelton, P.H., Bills, R., Tweddle, D. & Chakona, A. (2021): Revalidation and Redescription of “Lacustricola” chobensis (Fowler, 1935) and Description of a New Miniature Species of “Lacustricola” from Southern Africa (Cyprinodontiformes: Procatopodidae).
  • Britz, R., Conway, K.W. & Rüber, L. (2021): The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae).

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  • Chao, N.L., Carvalho-Filho, A. & Andrade Santos, J. (2021): Five new species of Western Atlantic stardrums, Stellifer (Perciformes: Sciaenidae) with a key to Atlantic Stellifer species.
    • Stellifer cervigoni Chao et al., 2021
    • Stellifer collettei Chao et al., 2021
    • Stellifer macallisteri Chao et al., 2021
    • Stellifer menezesi Chao et al., 2021
    • Stellifer musicki Chao et al., 2021
  • Chen, S., Sheraliev, B., Shu, L. & Peng, Z. (2021): Triplophysa wulongensis, a new species of cave-dwelling loach (Teleostei, Nemacheilidae) from Chongqing, Southwest China. 
  • Chen, Z., Wu, J. & Wen, A. (2021): Liobagrus huaiheensis, a new species of torrent catfish (Teleostei: Siluriformes: Amblycipitidae) from the Huaihe River basin in Central China.
  • Chernova, N.V., Vedischeva, E.V. & Datskii, A.V. (2021): A New Species of Snailfishes (Liparidae) of the Genus Careproctus from the Northern Slope of the Aleutin Basin (Bering Sea).
  • Chinglemba, Y., Rameshori, Y. & Vishwanath, W. (2021): A new species of stone loach of the genus Mustura (Teleostei: Nemacheilidae) from Chindwin River drainage, Manipur, north-eastern India.
  • Choudhury, H., Das, R., Bharali, R.C., Sarma, K., Tyagi, L.K., Lal, K.K. & Sarma, D. (2021): Description of a new species of Mustura Kottelat (Teleostei: Nemacheilidae) from the Brahmaputra drainage, India.
  • Coelho, F.L., Chamon, C.C. & Sarmento-Soares, L.M. (2021): A new species of driftwood catfish Centromochlus Kner, 1858 (Siluriformes, Auchenipteridae, Centromochlinae) from Tocantins-Araguaia River drainage.
  • Conway, K.W., Fujiwara, K., Motomura, H. & Summers, A.P. (2021): Erdmannichthys, a new genus of Gobiesocidae (Teleostei: Gobiesociformes), and notes on the rare clingfish E. alorensis (Allen & Erdmann, 2012), new combination.
  • Conway, K.W., Pinion, A.K. & Kottelat, M. (2021): Two new species of Pethia (Teleostei: Cyprinidae), representing a sympatric species pair, from the Ayeyarwady drainage, Myanmar.
  • Costa, W.J.E.M. (2021): Comparative Osteology, Phylogeny and Classification of the Eastern South American Catfish Genus Trichomycterus (Siluriformes: Trichomycteridae).
    • Cryptocambeva subgen. n. Costa, 2021
    • Type species: Trichomycterus mirissumba Costa, 1992
    • Megacambeva subgen. n. Costa, 2021
    • Type species: Trichomycterus giganteus Lima & Costa, 2004
    • Paracambeva subgen. n. Costa, 2021
    • Type species: Trichomycterus itatiayae Miranda Ribeiro, 1906
    • Psammocambeva subgen. n. Costa, 2021
    • Type species: Trichomycterus travassosi Miranda Ribeiro, 1949
    • Humboldtglanis subgen. n. Costa, 2021
    • Type species: Trichomycterus albinotatus Costa, 1992
  • Costa, W.J.E.M., Feltrin, C.R.M. & Katz, A.M. (2021): Field inventory reveals high diversity of new species of mountain catfishes, genus Cambeva Katz, Barbosa, Mattos & Costa, 2018 (Siluriformes: Trichomycteridae), in southeastern Serra Geral, southern Brazil.
    • Cambeva diffusa Costa et al., 2021
    • Cambeva duplimaculata Costa et al., 2021
    • Cambeva grisea Costa et al., 2021
    • Cambeva imaruhy Costa et al., 2021
    • Cambeva longipalata Costa et al., 2021
    • Cambeva notabilis Costa et al., 2021
    • Cambeva orbitofrontalis Costa et al., 2021
    • Cambeva panthera Costa et al., 2021
    • Cambeva pericoh Costa et al., 2021
    • Cambeva urubici Costa et al., 2021
  • Costa, W.J.E.M., Feltrin, C.R.M. & Katz, A.M. (2021): Filling distribution gaps: Two new species of the catfish genus Cambeva from southern Brazilian Atlantic Forest (Siluriformes, Trichomycteridae).
  • Costa, W.J.E.M. & Katz, A.M. (2021): Integrative taxonomy supports high species diversity of south-eastern Brazilian mountain catfishes of the T. reinhardti group (Siluriformes: Trichomycteridae).
    • Trichomycterus anaisae Katz & Costa, 2021
    • Trichomycterus funebris Katz & Costa, 2021
    • Trichomycterus humboldti Katz & Costa, 2021
    • Trichomycterus ingaiensis Katz & Costa, 2021
    • Trichomycterus luetkeni Katz & Costa, 2021
    • Trichomycterus sainthilairei Katz & Costa, 2021
  • Costa, W.J.E.M., Mattos, J.L.O. & Katz, A.M. (2021): Two new catfish species from central Brazil comprising a new clade supported by molecular phylogeny and comparative osteology (Siluriformes: Trichomycteridae).
  • Costa-Silva, G.J., Oliveira, C. & Costa e Silva, G.S. (2021): New species of Rineloricaria (Siluriformes: Loricariidae) from the Paranaíba River basin, Brazil.

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  • Dagosta, F.C.P. & de Pinna, M. (2021): Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion.
  • Deng, S. & Zhang, E (2021): Vanmanenia marmorata, a new species of loach (Teleostei: Gastromyzontidae) from the middle Chang-Jiang Basin in Guizhou Province, south China.
  • Deprá, G.C., Ota, R.R., Vitorino Júnior, O.B. & Ferreira, K.M. (2021): Two new species of Knodus (Characidae: Stevardiinae) from the upper rio Tocantins basin, with evidence of ontogenetic meristic changes.
  • Dias, A.C. & Zawadzki, C.H. (in press): Hypostomus hermanni redescription and a new species of Hypostomus (Siluriformes: Loricariidae) from Upper Paraná River basin, Brazil.
  • Dominguez-Cisneros, S.E., Velázquez-Velázquez, E., McMahan, C.D. & Matamoros, W.A. (2021): A New Species of Killifish of the Genus Profundulus (Atherinomorpha: Profundulidae) from the Upper Reaches of the Papaloapan River in the Mexican State of Oaxaca.
  • Dutra, G.M., Peixoto, L.A.W., Ochoa, L.E., Ohara, W.M., Santana, C.D., Menezes, N.A. & Datovo, A. (2021): A new species of Amazonian bluntnose knifefish Brachyhypopomus (Gymnotiformes: Hypopomidae), with comments on ist phylogenetic position.

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  • Eagderi, S. & Mousavi-Sabet, H. (2021): Capoeta raghazensis, a new species of algae-scraping cyprinid from the Raghaz Canyon in Hormuz basin, southern Iran (Teleostei: Cyprinidae).
  • Ebert, D.A., Leslie, R.W. & Weigmann, S. (2021): Etmopterus brosei sp. nov.: a new lanternshark (Squaliformes: Etmopteridae) from the southeastern Atlantic and southwestern Indian oceans, with a revised key to the Etmopterus lucifer clade.
  • El-Regal, M.A.A., El-Sherbiny, M.M., Gabr, M.H. & Fricke, R. (2021): Schindleria parva, a new species of Schindler’s fish (Teleostei: Schindleriidae: Schindleria) from Jeddah, Saudi Arabia, Red Sea.
  • Espíndola, V.C., Caires, R.A., Tighe, K.A., De Pinna, M.C.C. & Melo, M.R.S. (2021): A new species of the rare genus Myroconger Günther, 1870 (Anguilliformes: Myrocongridae) from Brazilian waters, tropical western Atlantic.

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  • Faria, T.C., Guimarães, K.L.A., Rodrigues, L.R.R., Oliveira, C. & Lima, F.C.T. (2021): A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil.
  • Faustino-Fuster, D.R., Meza-Vargas, V., Lovejoy, N.R. & Lujan, N.K. (2021): Multi-locus phylogeny with dense Guiana Shield sampling supports new suprageneric classification of the Neotropical three-barbeled catfishes (Siluriformes: Heptapteridae).
  • Frainer, G., Carvalho, F.R., Bertaco, V.A. & Malabarba, L.R. (2021): Museum specimens reveal a rare new characid fish genus, helping to refine the interrelationships of the Probolodini (Characidae: Stethaprioninae).
  • Fraser, T.H., Bogorodsky, S.V., Mal, A.O. & Alpermann, T.J. (2021): Review of the cardinalfishes of the genus Cercamia (Percomorpha: Apogonidae) of the Red Sea and Indian Ocean with descriptions of three new species.
    • Cercamia laamu Fraser et al., 2021
    • Cercamia mascarene Fraser et al., 2021
    • Cercamia spio Fraser et al., 2021
  • Freyhof, J. & Geiger, M.F. (2021): Oxynoemacheilus shehabi, a new nemacheilid loach from the upper Orontes in southern Syria (Teleostei: Nemacheilidae).
  • Freyhof, J., Kaya, C., Abdullah, Y.A. & Geiger, M.F. (2021): The Glyptothorax catfishes of the Euphrates and Tigris with the description of a new species (Teleostei: Sisoridae).
  • Freyhof, J., Kaya, C., Epitashvili, G. & Geiger, M.F. (2021): Oxynoemacheilus phasicus, a new nemacheilid loach from the eastern Black Sea basin with some remarks on  other Caucasian Oxynoemacheilus (Teleostei: Nemacheilidae).
  • Freyhof, J., Yogurtçuoglu, B. & Kaya, C. (2021): Oxynoemacheilus sarus, a new nemacheilid loach from the lower Ceyhan and Seyhan in southern Anatolia (Teleostei: Nemacheilidae).
  • Fricke, R. (2021): Cynoglossus quadriocellatus, a new species of tonguesole from Western Australia (Teleostei: Cynoglossidae).
  • Fricke, R. (2021): Plectranthias normanby, a new species of perchlet from Papua New Guinea, western Pacific (Teleostei: Serranidae).
  • Fricke, R. & Allen, G.R. (2021): Neopomacentrus flavicauda: a replacement name for Neopomacentrus xanthurus Allen & Randall, 1981 (Perciformes: Pomacentridae), a secondary junior homonym of Dascyllus xanthurus Bleeker, 1853.
  • Fricke, R. & Durville, P. (2021): Coris flava, a new deep water species of wrasse from La Réunion, southwestern Indian Ocean (Teleostei: Labridae).
  • Fujiwara, K., Conway, K.W. & Motomura, H. (2021): Description of a New Genus and Two New Species of Indo-Pacific Clingfishes (Gobiesocidae: Diademichthyinae) with Redescription and Reassignment of Two Species Previously Assigned to Lepadichthys Waite, 1904.
  • Fujiwara, Y., Kawato, M., Poulsen, J.Y., Ida, H., Chikaraishi, Y., Ohkouchi, N., Oguri, K., Gotoh, S., Ozawa, G., Tanaka, S., Miya, M., Sado, T., Kimoto, K., Toyofuku, T. & Tsuchida, S. (2021): Discovery of a colossal slickhead (Alepocephaliformes: Alepocephalidae): an active-swimming top predator in the deep waters of Suruga Bay, Japan.
  • Fujiwara, K., Psomadakis, P.N., Swe, T.Y.Y. & Motomura, H. 2021. Description of a new species of Obliquogobius (Teleostei: Gobiidae) from the Andaman Sea (northeastern Indian Ocean).
  • Fujiwara, K., Suzuki, T. & Motomura, H. (2021): Callogobius falx, a new species of goby from southern Japan.

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  • Garavello, J.C., Ramirez, J.L., Oliveira, A.K., Britski, H.A., Birindelli, J.L.O. & Galetti, P.M., Jr. (2021): Integrative taxonomy reveals a new species of Neotropical headstanding fish in genus Schizodon (Characiformes: Anostomidae).
  • Gill, A.C., Pogonoski, J.J., Johnson, J.W. & Tea, Y.-K. (2021): Three new species of Australian anthiadine fishes, with comments on the monophyly of Pseudanthias Bleeker (Teleostei: Serranidae).
    • Pseudanthias paralourgus Gill et al., 2021
    • Tosana dampieriensis Gill et al., 2021
    • Tosana longipinnis Gill et al., 2021
  • Gill, A.C., Pogonoski, J.J., Moore, G.I. & Johnson, J.W. (2021): Review of Australian species of Plectranthias Bleeker and Selenanthias Tanaka (Teleostei: Serranidae: Anthiadinae), with descriptions of four new species.
    • Plectranthias ferrugineus Gill et al., 2021
    • Plectranthias grahami Gill et al., 2021
    • Plectranthias mcgroutheri Gill et al., 2021
    • Plectranthias moretonensis Gill et al., 2021
  • Goren, M. & Stern, N. 2021. Cryptocentrus steinhardti (Actinopterygii; Gobiidae): a new species of shrimp-goby, and a new invasive to the Mediterranean Sea.
  • Grande, T.C. & Wilson, M.V.H. (2021): A New Cryptic Species of Polymixia (Teleostei, Acanthomorpha, Polymixiiformes, Polymixiidae) Revealed by Molecules and Morphology.
  • Guo, D.-M. & Zhang, E (2021): Re-description of the loach species Leptobotia citrauratea (Teleostei, Botiidae), with the description of L. brachycephala from southern Zhejiang Province, China.

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  • Habib, K.A. & Islam, M.J. (2021): Description of a new species of giant guitarfish, Glaucostegus younholeei sp. nov. (Rhinopristiformes: Glaucostegidae) from the northern Bay of Bengal, Bangladesh.
  • Hastings, P.A. (2021): The Pandemic Blenny, Coralliozetus clausus, a new species of tube blenny endemic to Isla del Coco, Costa Rica (Teleostei: Chaenopsidae).
  • Hata, H., Lavoué, S. & Motomura, H. (2021): New Rainbow Sardine Species of Dussumieria (Teleostei: Clupeiformes: Dussumieriidae) from the East African Coast.
  • Hata, H., Lavoué, S. & Motomura, H. (2021): Taxonomic status of nominal species of the anchovy genus Stolephorus previously regarded as synonyms of Stolephorus commersonnii Lacepède 1803 and Stolephorus indicus (van Hasselt 1823), and descriptions of three new species (Clupeiformes: Engraulidae).
  • Hata, H. & Motomura, H. (2021): Sardinella ventura n. sp. (Actinopterygii: Clupeiformes: Clupeidae), a new sardine from Mauritius.
  • Hata, H. & Motomura, H. (2021): Stolephorus grandis, a new anchovy (Teleostei: Clupeiformes: Engraulidae) from New Guinea and Australia.
  • Hata, H. & Motomura, H. (2021): A New Species of the Anchovy Genus Stolephorus Lacepède 1803 from North Sumatra, Indonesia, and Redescriptions of Stolephorus pacificus Baldwin 1984 and Stolephorus teguhi Kimura, Hori and Shibukawa 2009 (Teleostei: Clupeiformes: Engraulidae).
  • Hata, H. & Motomura, H. (2021): Two new species of Stolephorus (Teleostei: Clupeiformes: Engraulidae) from the western Pacific.
  • Hata, H., Psomadakis, P.N., Osmany, H.B. & Motomura, H. (2021): A new species of Thrissina from Pakistan (Arabian Sea), with redescription of Thrissina whiteheadi (Wongratana 1983) (Clupeiformes: Engraulidae).
  • Henschel, E., Katz, A. & Costa, W.J.E.M. (2021): A new candiru of the genus Paracanthopoma (Siluriformes: Trichomycteridae) from the Araguaia River basin, Central Brazil.
  • Ho, H.-C. (2021): Taxonomy and Distribution of the Deep-Sea Batfish Genus  Halieutopsis (Teleostei: Ogcocephalidae), with Descriptions of Five New Species.
  • Ho, H.-C. & Last, P. (2021): Review of the batfish genus Malthopsis from Australia (Lophiiformes: Ogcocephalidae), with descriptions of five new species.
  • Ho, H.-C., Tang, C.-N. & Chu, T.-W. (2021): Coloconger maculatus sp. nov., a species of short-tail eel from eastern Taiwan (Anguilliformes: Colocongridae).
  • Hoese, D.F. & Pogonoski, J.J. (2021): Description of a new deep-water species of Heteroclinus (Pisces: Teleostei: Clinidae), from southern Australia.
  • Huang, W.-C., Smith, D.G., Loh, K.-H. & Liao, T.-Y. (2021): Two New Moray Eels of Genera Diaphenchelys and Gymnothorax (Anguilliformes: Muraenidae) from Taiwan and the Philippines.
  • Huber, J.H. (2021): A new but since long misidentified species, Rivulus collieri n. sp., from Peruvian Amazon (Cyprinodontiformes, Rivulidae).

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  • Iglésias, S.P., Vukic, J., Sellos, D.Y., Soukupová, T. & Šanda, R. (2021): Gobius xoriguer, a new offshore Mediterranean goby (Gobiidae), and phylogenetic relationships within the genus Gobius.

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  • Jiang, W.-S., Zhao, Y.-P., Du, L.-N. & Wang, M. (2021): Yunnanilus chuanheensis, a new loach species (Cypriniformes: Nemacheilidae) from the upper Lixianjiang River in Yunnan, China.

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  • Kai, Y., Endo, H., Tashiro, F. & Nakayama, N. (2021): Two new species of snailfishes of the genus Careproctus (Cottoidei: Liparidae) from the western North Pacific Ocean with a range extension of Careproctus brevipectoralis.
  • Kambikambi, M.J., Kadye, W.T. & Chakona, A. (2021): Allopatric differentiation in the Enteromius anoplus complex in South Africa, with the revalidation of E. cernuus and E. oraniensis, and description of a new species, E. mandelai (Teleostei: Cyprinidae).
  • Kaya, C., Yoğurtçuoğlu, B. & Freyhof, J. (2021): Oxynoemacheilus amanos, a new nemacheilid loach from the Orontes River drainage (Teleostei: Nemacheilidae).
  • Keith, P., Delrieu-Trottin, E., Utama, I.V., Sauri, S., Busson, F., Nurjirana, Wowor, D., Dahruddin, H. & Hubert, N. (2021): A new species of Schismatogobius (Teleostei: Gobiidae) from Sulawesi (Indonesia).
  • Kodeeswaran, P., Jayakumar, T.K.T., Akash, S., Kumar, T.T.A. & Lal, K.K. (2021): A new species of Congrid eel, Ariosoma melanospilos sp. nov., from Indian waters with taxonomic description of A. dolichopterum (Congridae: Bathymyrinae).
  • Kolmann, M.A., Hughes, L.C., Hernandez, L.P., Arcila, D., Betancur-R, R., Sabaj, M.H., López-Fernández, H. & Ortí, G. (2021): Corrigendum to: Phylogenomics of piranhas and pacus (Serrasalmidae) uncovers how dietary convergence and parallelism obfuscate traditional morphological taxonomy.
  • Kosygin, L., Singh, P. & Rath, S. (2021): A new species of Glyptothorax (Teleostei: Sisoridae) from the Brahmaputra River basin, Arunachal Pradesh, India.
  • Kotlyar, A.N. (2021): Revision of the Genus Scopelogadus (Melamphaidae). 3. S. bispinosus and S. perplexus sp. n.
  • Kottelat, M. (2021): ‘Nemacheilus’ argyrogaster, a new species of loach from southern Laos (Teleostei: Nemacheilidae).
  • Kottelat, M. & Lim, K.K.P. (2021): Two new species of Barbodes from the Malay Peninsula and comments on ‘cryptic species’ in the B. binotatus group (Teleostei: Cyprinidae).
  • Kovačić, M., Bogorodsky, S.V., Zajonz, U. & Tornabene, L. (2021): A new species of Hetereleotris (Teleostei: Gobiidae) from the Socotra Archipelago (north-western Indian Ocean), a rare case of a hole-associated adaptation in gobiid fishes.
  • Kovačić, M., Esmaeili, H.R., Zarei, F., Abbasi, K. & Schliewen, U.K. (2021): A new species of tadpole-goby, Benthophilus persicus sp. nov. (Teleostei: Gobiidae) from the southern Caspian Sea.
  • Kovačić, M., Šanda, R., Cekovská, K., Soukupová, T. Vukić, J. (2021): Zebrus pallaoroi sp. nov.: a new species of goby (Actinopterygii: Gobiidae) from the Mediterranean Sea with a dna-based phylogenetic analysis of the Gobius-lineage.
  • Küçük, F., Çiftçi, Y., Güçlü, S.S. & Turan, D. (2021): Chondrostoma smyrnae, a new nase from the Tahtali reservoir drainage in the Aegean Sea basin (Teleostei, Leuciscidae).
  • Kukuev, E.I. (2021): Juvenile Individuals of Opahs (Lampridae) from the Atlantic and Pacific Oceans. Notes on the Systematics and Distribution of Opahs, Including the Description of a New Subgenus, Paralampris subgen. nov.
  • Kumkar, P., Pise, M., Gorule, P.A., Verma, C.R. & Kalous, L. (2021): Two new species of the hillstream loach genus Indoreonectes from the northern Western Ghats of India (Teleostei: Nemacheilidae).

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  • Lalramliana, Lalronunga, S. & Singh, M. (2021): Badis kaladanensis, a new fish species (Teleostei: Badidae) from Mizoram, northeast India.
  • Lanés, L.E.K., Volcan, M.V. & Maltchik, L. (2021): Two new annual fishes (Cyprinodontiformes: Rivulidae) unexpectedly discovered in the highlands of southern Brazil.
  • Larson, H.K. & Hammer, M.P. (2021): A revision of the gobiid fish genus Pseudogobius (Teleostei, Gobiidae, Tridentigerinae), with description of seven new species from Australia and South-east Asia.
    • Pseudogobius aquilonius Larson & Hammer, 2021
    • Pseudogobius cinctus Larson & Hammer, 2021
    • Pseudogobius eos Larson & Hammer, 2021
    • Pseudogobius hoesei Larson & Hammer, 2021
    • Pseudogobius jeffi Larson & Hammer, 2021
    • Pseudogobius rhizophora Larson & Hammer, 2021
    • Pseudogobius verticalis Larson & Hammer, 2021
  • Lee, M.-Y. & Munroe, T.A. (2021): Unraveling cryptic diversity among shallow-water tonguefishes (Pleuronectiformes: Cynoglossidae: Symphurus) from the Indo-West Pacific region, with descriptions of five new species.
    • Symphurus brachycephalus Lee & Munroe, 2021
    • Symphurus hongae Lee & Munroe, 2021
    • Symphurus leptosomus Lee & Munroe, 2021
    • Symphurus polylepis Lee & Munroe, 2021
    • Symphurus robustus Lee & Munroe, 2021
  • Lehmann A, P & Reis, R.E. (2021): A New Species of the Armored Catfish  Parotocinclus (Loricariidae: Hypoptopomatinae) from the Upper Xingu River Basin, Brazil.
  • Lima, F.C.T., Caires, R.A., Conde-Saldaña, C.C., Mirande, J.M. & Carvalho, F.R. (2021): A new miniature Pristella (Actinopterygii: Characiformes: Characidae) with reversed sexual dimorphism from the rio Tocantins and rio São Francisco basins, Brazil.
  • Lisher, M.W., Thein, H. & Psomadakis, P.N. (2021): Grammatonotus bianchi, a new species of splendid perch (Percoidei: Callanthiidae) from Myanmar, northeastern Indian Ocean.
  • Loboda, T.S., Lasso, C.A., Rosa, R.S. & Carvalho, M.R. (2021): Two new species of freshwater stingrays of the genus Paratrygon (Chondrichthyes: Potamotrygonidae) from the Orinoco basin, with comments on the taxonomy of Paratrygon aiereba.
  • Long, D.J., Ebert, D.A., Tavera, J., Acero P., A. & Robertson, D.R. (2021): Squatina mapama n. sp., a new cryptic species of angel shark (Elasmobranchii: Squatinidae) from the southwestern Caribbean Sea.
  • Lorenzoni, M., Carosi, A., Quadroni, S., De Santis, V., Vanetti, I., Delmastro, G.B. & Zaccara, S. (2021): Cryptic diversity within endemic Italian barbels: revalidation and description of new Barbus species (Teleostei: Cyprinidae).

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  • Maeda, K., Kobayashi, H., Palla, H.P., Shinzato, C., Koyanagi, R., Montenegro, J., Nagano, A.J., Saeki, T., Kunishima, T., Mukai, T., Tachihara, K., Laudet, V., Satoh, N. &  Yamahira, K. (2021): Do colour-morphs of an amphidromous goby represent  different species? Taxonomy of Lentipes (Gobiiformes) from Japan and Palawan,  Philippines, with phylogenomic approaches.
  • Maeda, K., Shinzato, C., Koyanagi, R., Kunishima, T., Kobayashi, H., Satoh, N. & Palla, H.P. (2021): Two new species of Rhinogobius (Gobiiformes: Oxudercidae) from Palawan, Philippines, with their phylogenetic placement.
  • Marinho, M.M.F., Ohara, W.M. & Dagosta, F.C.P. (2021): A new species of Moenkhausia (Characiformes: Characidae) from the rio Madeira basin, Brazil, with comments on the evolution and development of the trunk lateral line system in characids.
  • Matsumoto, T., Matsuura, K. & Hanzawa, N. (2021): A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan.
  • Matsunuma, M., Uesaka, K., Yamakawa, T. & Endo, H. (2021): Review of the Indo-Pacifc scorpaenoid genus Plectrogenium Gilbert 1905 (Plectrogeniidae) with descriptions of eight new species.
    • Plectrogenium capricornis Matsunuma et al., 2021
    • Plectrogenium kamoharai Uesaka et al., 2021
    • Plectrogenium kanayamai Uesaka et al., 2021
    • Plectrogenium longipinnis Matsunuma et al., 2021
    • Plectrogenium megalops Matsunuma et al., 2021
    • Plectrogenium occidentalis Matsunuma et al., 2021
    • Plectrogenium rubricauda Uesaka et al., 2021
    • Plectrogenium serratum Matsunuma et al., 2021  [Note: Plectrogenium is of neuter gender which makes it necessary to change the gender of some of the new names, which are based on an adjective]
  • Mattox, G.M.T., Souza, C.S., Toledo-Piza, M. & Oliveira, C. (in press): A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil.
  • Mazungula, D.N. & Chakona, A. (2021): An integrative taxonomic review of the Natal mountain catfish, Amphilius natalensis Boulenger 1917 (Siluriformes, Amphiliidae), with description of four new species.
    • Amphilius engelbrechti Mazungula & Chakona, 2021
    • Amphilius leopardus Mazungula & Chakona, 2021
    • Amphilius marshalli Mazungula & Chakona, 2021
    • Amphilius zuluorum Mazungula & Chakona, 2021
  • Melo, M.R.S., Bouquerel, B.B. Masumoto, F.T., França, R.S. & Netto-Ferreira, A.L. (2021): A new species of Characidium (Characiformes: Crenuchidae) from the Chapada dos Veadeiros, Goiás, Brazil.
  • Melo, M.R.S., Brito Ribeiro, M.C.L. & Lima, F.C.T. (2021): A new, narrowly distributed, and critically endangered species of Characidium (Characiformes: Crenuchidae) from the Distrito Federal, Central Brazil.
  • Mennesson, M.I., Keith, P., Sauri, S., Busson, F., Delrieu-Trottin, E., Limmon, G., Sukmono, T., Jiran, Risdawati, R., Dahruddin, H. & Hubert, H. (2021): Eleotris (Teleostei: Eleotridae) from Indonesia with Description of Three New Species Within the ‘melanosoma’ Neuromast Pattern Group.
  • Miller, T.A., Konings, A.F. & Stauffer. J.R., Jr. 2021. Descriptions of two new shell-dwelling species of Metriaclima (Cichlidae) from Lake Malawi, Africa.
    • Metriaclima gallireyae Miller et al., 2021
    • Metriaclima ngarae Miller et al., 2021 [Due to the status of the type species of Metriaclima, both species must be transfered to the genus Maylandia.]
  • Mincarone, M.M., Plachetzki, D., McCord, C.L., Winegard, T.M., Fernholm, B., Gonzalez, C.J. & Fudge, D.S. (2021): Review of the hagfishes (Myxinidae) from the Galapagos Islands, with descriptions of four new species and their phylogenetic relationships.
  • Mohapatra, A., Mohanty, S.R., Ray, D., Mishra, S.S. & Seth, J.K. (2021): A new species of the genus Cirrhimuraena (Anguilliformes: Ophichthidae) from Bay of Bengal, India.
  • Møller, P.R., Schwarzhans, W.W., Lauridsen, H. & Nielsen, J.G. (in press): Bidenichthys okamotoi, a New Species of the Bythitidae (Ophidiiformes, Teleostei) from the Koko Seamount, Central North Pacific.
  • Mousavi-Sabet, H., Eagderi, S., Vatandoust, S. & Freyhof, J. (2021): Five new species of the sisorid catfish genus Glyptothorax from Iran (Teleostei: Sisoridae).
    • Glyptothorax alidaeii Mousavi-Sabet et al., 2021
    • Glyptothorax galaxias Mousavi-Sabet et al., 2021
    • Glyptothorax hosseinpanahii Mousavi-Sabet et al., 2021
    • Glyptothorax pallens Mousavi-Sabet et al., 2021
    • Glyptothorax shapuri Mousavi-Sabet et al., 2021
  • Munroe, T.A. (2021): Systematic revision of the flatfish genus Peltorhamphus Günther, 1862 (Teleostei: Pleuronectiformes: Rhombosoleidae), including description of a new species from Southeastern New Zealand, with biological and ecological summaries for the species.
  • Murasaki, K., Kai, Y., Endo, H. & Fukui, A. (2021): Osteodiscus abyssicola, a new snailfish (Cottoidei: Liparidae) collected off the Pacific coast of northern Japan.

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  • Nagy, B. (2021): Nothobranchius elucens, a new species of seasonal killifish from the upper Nile drainage in Uganda (Cyprinodontiformes: Nothobranchiidae).
  • Nagy, B., Watters, B.R. & Raspopova, A.A. (2021): Nothobranchius nikiforovi, a new species of seasonal killifish from the lower Matandu drainage in south-eastern coastal Tanzania (Cyprinodontiformes: Nothobranchiidae).
  • Nakamura, J. & Motomura, H. (2021): Epinephelus insularis, a new species of grouper from the western Pacific Ocean, and validity of E. japonicus (Temminck and Schlegel 1843), a senior synonym of Serranus reevesii Richardson 1846 and E. tankahkeei Wu et al. 2020 (Perciformes: Epinephelidae).
  • Nanda, P., Machahary, K.Q., Tamang, L. & Das, D.N. (2021): Aborichthys uniobarensis, a new species of river loach (Cypriniformes: Nemacheilidae) from Arunachal Pradesh, India.
  • Nanda, P. & Tamang, L. (2021): Aborichthys barapensis, a new species of river loach (Cypriniformes: Nemacheilidae) from Arunachal Pradesh, the eastern Himalaya, India.
  • Nanda, P. & Tamang, L. (2021): Aborichthys palinensis, a new species of river loach (Cypriniformes: Nemacheilidae) from Arunachal Pradesh, Eastern Himalaya, India.
  • Near, T.J., MacGuigan, D.J., Boring, E.L., Simmons, J.W., Albanese, B., Keck, B.P., Harrington2, R.C. & Dinkins, G.R. (2021): A New Species of Bridled Darter Endemic to the Etowah River System in Georgia (Percidae: Etheostomatinae: Percina).
  • Ng, H.H. & Kottelat, M. (2021): Description of Bagarius vegrandis, a new species of sisorid catfish from Indochina (Actinopterygii: Siluriformes), with notes on the identity of Bagarius bagarius.
  • Ng, H. H.  & Kottelat, M. (2021): Pseudobagarius eustictus, a new species of catfish from northern Laos (Siluriformes: Akysidae).
  • Nielsen, D.T.B. & Veiga, R.P. (2021): Anablepsoides origuelai, a new species of the Anablepsoides ornatus species group (Cyprinodontiformes: Rivulidae) from Rio Tapajós drainage, Amazon basin, Brazil.

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  • Okamoto, M., Randall, J.E. & Motomura, H. (2021): Acropoma musorstom, a new lanternbelly (Acropomatidae) from the South Pacific and the first record of Acropoma splendens from the Andaman Sea off southwestern Thailand.
  • Oliveira, R.R., Zuanon, J., Rapp Py-Daniel, L.H., Birindelli, J.L.O. & Sousa, L.M. (2021): Taxonomic revision of Hopliancistrus Isbrücker & Nijssen, 1989 (Siluriformes, Loricariidae) with redescription of Hopliancistrus tricornis and description of four new species.
    • Hopliancistrus munduruku Oliveira et al., 2021
    • Hopliancistrus wolverine Oliveira et al., 2021
    • Hopliancistrus xavante Oliveira et al., 2021
    • Hopliancistrus xikrin Oliveira et al., 2021
  • Orr, J.W. (2021): Three New Small Snailfishes of the Genus Careproctus (Teleostei: Cottiformes: Liparidae) from the Aleutian Islands, Alaska.
  • Ota, R.R., Carvalho Deprá, G., Kullander, S., Graça, W.J. & Pavanelli, C.S. (in press): A new species of Satanoperca (Teleostei: Cichlidae) from the Rio Tocantins basin, Brazil.

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  • Parenti, P.  (2021): An annotated checklist of damselfishes, Family Pomacentridae Bonaparte, 1831.
    • Neopomacentrus flavicauda nom. nov. Parenti, 2021 [name was published earlier than Neopomacentrus flavicauda Fricke & Allen, 2021, but in an online journal without ZooBank registration, and is therefore not available in the sense of the ICZN from this publication]
  • Peixoto, L.A.W., Dutra, G.M., Datovo, A., Menezes, N.A. & Santana, C.D. (2021): The Description of a Rare and Critically Endangered Species of Ghost Knifefish from the Amazon Basin (Ostariophysi: Gymnotiformes: Apteronotidae).
  • Praveenraj, J., Vijayakrishan, B., Lima, A. & Gurumayum, S.D. (2021): A new sisorid catfish of the genus Pseudolaguvia (Teleostei: Sisoridae) from Nagaland, north-eastern India.
  • Prokofiev, A.M. (2021): To the Taxonomy of the Stargazers of the Genus Uranoscopus of the Indo-Pacific Waters with a Description of Three New Species (Uranoscopidae).
  • Prokofiev, A.M. & Frable, B.W. (2021): A New Species of Photonectes from the Pacific Ocean off Oahu, Hawaii with a Revised Identification Key for the Genus (Teleostei: Stomiidae: Melanostomiinae).
  • Psomadakis, P.N., Gon, O. & Htut, T. (2021): Two new species of the genus Chelidoperca (Perciformes: Serranidae) from the Andaman Sea, eastern Indian Ocean.
  • Psomadakis, P.N., Yoshinaga, T., Wah, Z.Z. & Ida, H. (2021): Description of two new species of sandlances, genus Bleekeria (Perciformes, Ammodytidae) from the Andaman Sea (northeastern Indian Ocean).

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  • Ramos, T.P.A., Lustosa-Costa, S.Y., Barros-Neto, L.F. & Barbosa, J.E.L. (2021): Parotocinclus jacksoni, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the Rio Mamanguape basin, northeastern Brazil.
  • Reia, L., Oliveira, C. & Benine, R.C. (2021): Moenkhausia andrica (Characiformes: Characidae): a new species from the rio Tapajós basin, Brazil, with minute fin hooklets in females.
  • Reis, R.E., Vieira, F. & Pereira, E.H.L. (2021): A New Species of the Loricariid Catfish Genus Loricariichthys (Teleostei: Siluriformes) from Eastern Brazil.
  • Roberts, T.R. (2021): Megaleporinus prochiloides new species from Bolivia, a close relative of Prochilodus and Ichthyoelephas.
    • Megaleporinus prochiloides Roberts, 2021 [Due to a recent notice we had to learn that the issues of this journal, after issue 1-2021 are only published as e-paper, do not contain a ZooBank registration and therefore all new taxa are not available in the sense of the ICZN.]
  • Roberts, T.R., Chakraborty, P., Yardi, K. & Mukherjee, P. (2021): Oryzias andrewi, new species of slender ricefish from Bengal, India, related to the highly specialized western indian coastal Horaichthys setnai Kulkarini 1940 (Cyprinodontiformes, Adrianichthyidae).
  • Rossi, G., Plazzi, F., Zuffi, G., Marchi, A., De Bonis, S., Valli, M., Marinšek, P. & Falconi, R. (in press): Mitochondrial phylogeny and taxonomic revision of Italian and Slovenian fluvio-lacustrine barbels, Barbus sp. (Cypriniformes, Cyprinidae).
    • Barbus oscensis Rossi & Plazzi, (in press) Note: e-paper with no ZooBank registration. Name not available from this publication.

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  • Sabaj, M.H. & Arce H., M. (2021): Towards a complete classification of the Neotropical thorny catfishes (Siluriformes: Doradidae).
    • Acanthodoradinae subfam. n. Sabaj & Arce H., 2021
    • Type genus: Acanthodoras Bleeker, 1862
    • Agamyxinae subfam. n. Sabaj & Arve H., 2021
    • Type genus: Agamyxis Cope, 1878
    • Rhinodoradinae subfam. n. Sabaj & Arce H., 2021
    • Type genus: Rhinodoras Bleeker, 1862
  • Salgado, F.L.K. (2021): Description of Astyanax argentum new species Salgado, 2021 (Ostariophysi: Characiformes: Characidae) from the drainage of the Mogi-Guaçu river, upper Paraná basin.
  • Saraiva, A.C.S., Abreu, J.M.S., Ottoni, F.P. & Piorski, N.M. (2021): A new species of Loricaria (Siluriformes: Loricariidae) from the Turiaçu River basin, Eastern Amazon region, Brazil.
  • Saygun, S., Ağdamar, S. & Özuluğ, M. (2021): Oxynoemacheilus fatsaensis, a new nemacheilid loach from the Elekçi Stream in Northern Anatolia (Teleostei: Nemacheilidae).
  • Schmidt, R.C., Knobloch, E.C. & Barrientos, C. (2021): Cast netting new species: Integrative taxonomy of Distichodus notospilus (Characiformes: Distichodontidae) discovers new species and overlooked areas of endemism in Central Africa.
  • Schwarzhans, W.W. & Møller, P.R. (2021): Revision of the ‘dragon-head’ cusk eels of the genus Porogadus (Teleostei: Ophidiidae), with description of eight new species and one new genus.
    • Porogadus caboverdensis Schwarzhans & Møller, 2021
    • Porogadus dracocephalus Schwarzhans & Møller, 2021
    • Porogadus lacrimatus Schwarzhans & Møller, 2021
    • Porogadus mendax Schwarzhans & Møller, 2021
    • Porogadus solomonensis Schwarzhans & Møller, 2021
    • Porogadus turgidus Schwarzhans & Møller, 2021
    • Tenuicephalus n. gen. Schwarzhans & Møller, 2021
    • Type species: Porogadus silus Carter & Sulak, 1984
    • Tenuicephalus multitrabs Schwarzhans & Møller, 2021
    • Tenuicephalus squamilabrus Schwarzhans & Møller, 2021
  • Shao, W., Cheng, J. & Zhang, E (2021): Eight in one: hidden diversity of the bagrid catfish Tachysurus albomarginatus s. l. (Rendhal, 1928) widespread in lowlands of South China.
  • Shepherd, B., Pinheiro, H.T., Phelps, T.A.Y., Pérez-Matus, A. & Rocha, L.A. (2021): Pseudanthias hangapiko, a new anthiadine serranid (Teleostei, Serranidae, Anthiadinae) from Rapa Nui (Easter Island).
  • Sheraliev, B. & Peng, Z. (2021): Triplophysa ferganaensis, a new loach species from Fergana Valley in Central Asia (Teleostei: Nemacheilidae).
  • Shi, W., Guo, S., Haryono, H., Hong, Y. & Zhang, W. 2021. Diagnoses of two new species of Parosphromenus (Teleostei: Osphronemidae) from Bangka Island and Kalimantan, Indonesia.
  • Shibatta, O.A., Rocha, M.S. & Oliveira, R.R. (2021): New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from rio Tocantins basin, northern Brazil Original Article.
  • Shinohara, G. (2021): A new jawfish of the genus Opistognathus (Perciformes: Opistognathidae) from Japan.
  • Short, G.A. & Trnski, T. (2021): A New Genus and Species of Pygmy Pipehorse from Taitokerau Northland, Aotearoa New Zealand, with a Redescription of Acentronura Kaup, 1853 and Idiotropiscis Whitley, 1947 (Teleostei, Syngnathidae).
  • Sideleva, V.G. 2021. ОБЗОР КОТТОИДНЫХ РЫБ (COTTOIDEI) СРЕДНЕЙ АЗИИ С ВОССТАНОВЛЕНИЕМ ВАЛИДНОСТИ ВИДА Cottus jaxartensis И ОПИСАНИЕМ НОВОГО ВИДА Cottus nudus sp. nova [Overview of Cottoidei fishes of Central Asia with restoration of the validity of Cottus jaxartensis and description of the new species Cottus nudus sp. nova.].
  • Silva, G.S.C., Roxo, F.F., Melo, B.F., Ochoa, L.E., Bockmann, F.A., Sabaj, M.H., Jerep , F.C., Foresti, F., Benine, R.C. & Oliveira, C. (2021): Evolutionary history of Heptapteridae catfishes using ultraconserved elements (Teleostei, Siluriformes).
  • Silva-Oliveira, C., Ota, R.P., Sabaj, M.H. & Rapp Py-Daniel, L.H. (2021): A new species of Bryconops (Characiformes: Iguanodectidae) from Atlantic coastal drainages of Suriname and French Guiana.
  • Soares, Y.F.F., Aquino, P.P.U., Bagley, J.C., Langeani, F. & Colli, G.R. (2021): Two new species of Hypostomus suckermouth armored catfishes (Teleostei: Loricariidae) from Central Brazil.
  • Sparks, J.S., Chaloux, N., Schelly, R.C., Gruber, D.F., Sparks, T.S. & Phillips, B.T. (2021): Description of a New Species of Rariphotic Parapercis (Perciformes: Pinguipedidae) from the Solomon Islands.
  • Stauffer, J.R. Jr, Bills, R. & Skelton, P.H. (2021): Four new species of Serranochromis (Teleostei: Cichlidae) from the Cuanza and Okavango river systems in Angola, including a preliminary key for the genus.
    • Serranochromis alvum Stauffer et al., 2021
    • Serranochromis cacuchi Stauffer et al., 2021
    • Serranochromis cuanza Stauffer et al., 2021
    • Serranochromis swartzi Stauffer et al., 2021
  • Stauffer, J.R., Jr. & Konings, A.F. (2021): A new species of Diplotaxodon (Cichliformes: Cichlidae) from Lake Malawi.
  • Stein, D.L. & Mundy, B.C. (2021): Descriptions and records of liparid fishes (Scorpaeniformes, Liparidae) from the Mariana Islands.
  • Stewart, A.L., Knudsen, S.W. & Clements, K.D. (2021): A new species of deep-water triplefin (Pisces: Tripterygiidae) in the genus Ruanoho from coastal New Zealand waters.
  • Stiassny, M.L.J., Alter, S.E., Monsembula Iyaba, R.J.C. & Liyandja, T.L.D. (2021): Two New Phenacogrammus (Characoidei; Alestidae) from the Ndzaa River (Mfimi-Lukenie Basin) of Central Africa, Democratic Republic of Congo.

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  • Tan, H.H. (2021): Hypergastromyzon revisited, with descriptions of a new genus and two new species (Teleostei: Gastromyzontidae).
  • Tan, H.H. & Husana, D.E.M. (2021): Barbodes pyrpholeos, new species, the first cave-dwelling cyprinid fish in the Philippines, with redescription of B. montanoi (Teleostei: Cyprinidae).
  • Tang, C.-N. (2021): Description of a new codling species of Physiculus from Taiwan (Gadiformes: Moridae).
  • Tang, C.-N. & Ho, H.-C. (2021): Description of a new perchlet, Chelidoperca formosa, from southwestern Taiwan (Peciformes: Serranidae).
  • Tavera, J. (2021): A new species of pikeblenny (Blenniiformes: Chaenopsidae: Chaenopsis) from the Tropical Eastern Pacific, and a key to all species.
  • Tavera, J., Rojas-Vélez, S. & Londoño-Cruz, E. (2021): A new species of the genus Acyrtus on the eastern Pacific: A cornerstone for the evolution and biogeography of the genus.
  • Tea, Y.-K., Allen, G.R. & Dailami, M. (2021): Redescription of Cirrhilabrus solorensis Bleeker, with Description of Two New Species of Fairy Wrasses (Teleostei: Labridae: Cirrhilabrus).
  • Tencatt, L.F.C., Santos, S.A., Evers, H.-G. & Britto, M.R. (2021): Corydoras fulleri (Siluriformes: Callichthyidae), a new catfish species from the rio Madeira basin, Peru.
  • Thacker, C.E., Geiger, D.L. & Shelley, J.J. (in press): Two new cryptic species of the freshwater fish genus Gobiomorphus (Gobiiformes: Gobioidei: Eleotridae) in New Zealand.
  • Thiel, R., Knebelsberger, T., Kihara, T. & Gerdes, K. (2021): Description of a new eelpout Pachycara angeloi sp. nov. (Perciformes: Zoarcidae) from deep-sea hydrothermal vent fields in the Indian Ocean.
  • Tornabene, L., Greenfield, D.W. & Erdmann, M.V. (2021): A review of the Eviota zebrina complex, with descriptions of four new species (Teleostei, Gobiidae).
    • Eviota longirostris Tornabene et al., 2021
    • Eviota marerubrum Tornabene et al., 2021
    • Eviota oculineata Tornabene et al., 2021
    • Eviota pseudozebrina Tornabene et al., 2021
  • Turan, D., Aksu, I., Oral, M., Kaya, C. & Bayçelebi, E. (2021): Contribution to the trout of Euphrates River, with description of a new species, and range extension of Salmo munzuricus (Salmoniformes, Salmonidae).
  • Turan, D., Küçük, F., Güçlü, S.S. & Aksu, I. (2021): Turcichondrostoma, a new genus for the Leuciscidae (Teleostei: Cypriniformes) from Southwestern Anatolia.

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  • Uiblein, F. (2021): Taxonomic review of the “posteli-species group” of goatfishes (genus Parupeneus, Mullidae), with description of a new species from the northern Red Sea.
  • Uiblein, F. & Motomura, H. (2021): Three new goatfishes of the genus Upeneus from the Eastern Indian Ocean and Western Pacific, with an updated taxonomic account for U. itoui (Mullidae: japonicus-species group).
    • Upeneus dimipavlov Uiblein & Motomura, 2021
    • Upeneus elongatus Uiblein & Motomura, 2021
    • Upeneus willwhite Uiblein & Motomura, 2021
  • Uiblein, F. & Nielsen, J.G. (2021): New record of the cuskeel genus Neobythites (Pisces, Ophidiidae) from the Solomon Sea with description of a new species and notes on colour patterns.
  • Urbano-Bonilla, A. & Ballen, G.A. (2021): A new species of Chaetostoma (Siluriformes: Loricariidae) from the Orinoco basin with comments on Amazonian species of the genus in Colombia.

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  • Vieira, L.S. & Netto-Ferreira, A.L. (2021): A new species of Microcharacidium (Characiformes: Crenuchidae) from the Central Amazon, Brazil.
  • Vo, V.Q. & Ho, H.-C. (2021): A new species of the snake eel genus Ophichthus from Vietnam, with a new record of Echelus polyspondylus McCosker & Ho, 2015.
  • Vo, V.Q., Ho, H.-C., Dao, H.V. & Tran, H.H.T. (2021): A new arrowtooth eel of genus Meadia (Synaphobranchidae: Ilyophinae) from Vietnam, South China Sea.
  • Volcan, M.V., Barbosa, C., Robe, L,J. & Lanés, L.E.K. (2021): Molecular phylogeny of the Austrolebias adloffi group (Cyprinodontiformes, Rivulidae), with description of two new endangered and highly endemic species of annual killifishes from the Laguna dos Patos system, southern Brazil.

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  • Wada, H., Kai, Y. & Motomura, H. (2021): Revision of the resurrected deepwater scorpionfish genus Lythrichthys Jordan and Starks 1904 (Setarchidae), with descriptions of two new species.
  • Weigmann, S., Ebert, D.A. & Séret, B. (2021): Resolution of the Acroteriobatus leucospilus species complex, with a redescription of A. leucospilus (Norman, 1926) and descriptions of two new western Indian Ocean species of Acroteriobatus (Rhinopristiformes, Rhinobatidae).
  • Weigmann, S., Séret, B. & Stehmann, M.F.W. (2021): Notoraja hesperindica sp. nov., a new colorful deep-sea softnose skate (Elasmobranchii, Rajiformes, Arhynchobatidae) and first generic record from the western Indian Ocean.
  • White, W.T., Arunrugstichai, S. & Naylor, G.J.P. (2021): Revision of the genus Mustelus (Carcharhiniformes: Triakidae) in the northern Indian Ocean, with description of a new species and a discussion on the validity of M. walkeri and M. ravidus.
  • White, W.T. & Fricke, R. (2021): Raja mauritaniensis: a replacement name for Raja africana Capapé, 1977 (Rajiformes: Rajidae), a junior homonym of Raja africana Bloch & Schneider, 1801 (Myliobatiformes: Dasyatidae).
  • Winterbottom, R. (2021): A new species of Trimma (Pisces: Gobiidae) from western Thailand, north-eastern Indian Ocean.
  • Wong, M.-K., Lee, M.-Y. & Chen, W.-J. (2021): Integrative taxonomy reveals a rare and new cusk-eel species of Luciobrotula (Teleostei, Ophidiidae) from the Solomon Sea, West Pacific.

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  • Yogurtçuoglu, B., Kaya, C. & Freyhof, J. (2021): Oxynoemacheilus nasreddini, a new nemacheilid loach from Central Anatolia (Teleostei: Nemacheilidae).
  • Yogurtçuoglu, B., Kaya, C., Özulug, M. & Freyhof, J. (2021): Oxynoemacheilus isauricus, a new nemacheilid loach from Central Anatolia (Teleostei: Nemacheilidae).

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  • Zamani-Faradonbe, M., Zhang, E & Keivany, Y. 2021. Garra hormuzensis, a new species from the upper Kol River drainage in the Persian Gulf basin (Teleostei: Cyprinidae).
  • Zawadzki, C.H., Nardi, G. & Tencatt, L.F.C. (2021): The crystalline waters of the Bodoquena Plateau revealed Hypostomus froehlichi (Siluriformes: Loricariidae), a new armored catfish from the rio Paraguay basin in Brazil.
  • Zawadzki, C.H. & Souza Penido, I. (2021): Hypostomus bimbai and H. pastinhai, two new depthsheltered species of Hypostomus from the lower Rio São Francisco basin, Brazil.
  • Zhao, L.-X., Liu, J.-H., Du, L.-N. & Luo, F.-G. (2021): A new loach species of Troglonectes (Teleostei: Nemacheilidae) from Guangxi, China.
  • Zhou, C., Ma, W., Wang, X., Tang, Y., Meng, X. & Nie, G. (2021): Homatula guanheensis sp. nov. (Teleostei: Nemacheilidae), a new species of loach from Henan Province, China.