Genus of fishes
Acheilognathus is a genus of freshwaterray-finned fishes belonging to thefamily Acheilognathidae , thebitterlings . The fishes in this genus are found inAsia . The name is derived from theGreek a , meaning "without", the Greekcheilos , meaning "lip", and the Greekgnathos , meaning "jaw".
Fish of this genus range in length from 5 to 27 cm. They are similar in appearance to fishes of the genusPuntius .
These are the currently recognized species in this genus:[ 2]
Acheilognathus amurensis (Holčík , 1962) Acheilognathus asmussii (Dybowski , 1872) (Russian bitterling)Acheilognathus barbatulus Günther , 1873Acheilognathus barbatus Nichols , 1926Acheilognathus binidentatus G. L. Li 2001Acheilognathus brevicaudatus Y. R. Chen &Z. Y. Li , 1987Acheilognathus changtingensis Qing Yang ,Y. R. Zhu ,B. X. Xiong &H. Z. Liu , 2011Acheilognathus chankaensis (Dybowski, 1872) (Khanka spiny bitterling)Acheilognathus coreanus Steindachner , 1892Acheilognathus cyanostigma D. S. Jordan &Fowler , 1903 (Striped bitterling)Acheilognathus deignani (H. M. Smith , 1945) Acheilognathus elongatoides Kottelat , 2001Acheilognathus elongatus (Regan , 1908) (Elongate bitterling)Acheilognathus fasciodorsalis V. H. Nguyễn , 2002Acheilognathus gracilis Nichols, 1926 Acheilognathus hypselonotus (Bleeker , 1871) Acheilognathus imberbis Günther, 1868 Acheilognathus imfasciodorsalis V. H. Nguyễn, 2002 Acheilognathus kyphus (Đ. Y. Mai , 1978) Acheilognathus lanchiensis (Herre &S.-Y. Lin , 1936) Acheilognathus longibarbatus (Mai, 1978) Acheilognathus longipinnis Regan, 1905 (Deepbody bitterling)Acheilognathus longispinnis (Ōshima , 1926) Acheilognathus macromandibularis A. Doi ,R. Arai &H. Z. Liu , 1999Acheilognathus macropterus (Bleeker, 1871) Acheilognathus majusculus I. S. Kim &H. Yang , 1998Acheilognathus melanogaster Bleeker, 1860 (Japanese bitterling)Acheilognathus mengyangensis Z. G. Chen ,J. H. Gong &Y. S. Guo , 2021Acheilognathus meridianus (H. W. Wu , 1939) Acheilognathus microphysa J. X. Yang ,X. L. Chu &Y. R. Chen , 1990Acheilognathus nanchongensis X. J. Deng , 1996Acheilognathus nguyenvanhaoi H. D. Nguyễn ,Đ. H. Trần &T. T. Tạ , 2013Acheilognathus omeiensis (H. J. Shih &T. L. Tchang , 1934) Acheilognathus polylepis (H. W. Wu, 1964) Acheilognathus polyspinus (Holčík, 1972) .Acheilognathus rhombeus (Temminck &Schlegel , 1846) .Acheilognathus striatus Qing Yang ,B. X. Xiong ,Q. Y. Tang &H. Z. Liu , 2010Acheilognathus tabira D. S. Jordan &W. F. Thompson , 1914 .Acheilognathus tonkinensis (Vaillant 1892) Acheilognathus typus (Bleeker, 1863) Acheilognathus yamatsutae Mori , 1928In addition, there may be twoundescribed species in Korea awaiting further study:
Acheilognathus sp.[ 3] Acheilognathus sp. HR[ 4] ^a b Fricke, Ron;Eschmeyer, William N. & van der Laan, Richard (eds.)."Genera in the family Acheilognathidae" .Catalog of Fishes .California Academy of Sciences . Retrieved19 February 2025 . ^ Fricke, Ron;Eschmeyer, William N. & van der Laan, Richard (eds.)."Species in the genusAcheilognathus " .Catalog of Fishes .California Academy of Sciences . Retrieved19 February 2025 . ^ Chae, B.S.; Kim, S.K.; Lee, J.H.; Hwang, U.W. (2014)."Taxonomic status ofAcheilognathus sp. (Cyprinidae) found in the Geum River, Korea" .Korean Journal of Ichthyology (in Korean).26 (4):249– 258. Retrieved5 June 2023 . ^ Kim, Y.H.; Yun, B.H.; Sung, M.S.; Bang, I.-C. (2022)."Taxonomic Status ofAcheilognathus sp. HR (Cypriniformes: Acheilognathidae) Found in the Dalcheon River, a Tributary of Hangang River, Korea" .Korean Journal of Ichthyology (in Korean).34 (4):231– 243.doi :10.35399/ISK.34.4.2 (inactive 7 October 2025). Retrieved5 June 2023 . {{cite journal }}: CS1 maint: DOI inactive as of October 2025 (link )