Acheilognathus
Acheilognathus is a genus of freshwater ray-finned fishes belonging to the family Acheilognathidae, the bitterlings. The fishes in this genus are found in Asia. The name is derived from the Greek a, meaning "without", the Greek cheilos, meaning "lip", and the Greek gnathos, meaning "jaw".
Morphology
Fish of this genus range in length from 5 to 27 cm. They are similar in appearance to fishes of the genus Puntius.Species
These are the currently recognized species in this genus:Acheilognathus amurensis Acheilognathus asmussii Acheilognathus barbatulus Günther, 1873Acheilognathus barbatus Nichols, 1926Acheilognathus binidentatus G. L. Li 2001- Acheilognathus brevicaudatus Y. R. Chen & Z. Y. Li, 1987
- Acheilognathus changtingensis Qing Yang, Y. R. Zhu, B. X. Xiong & H. Z. Liu, 2011Acheilognathus chankaensis Acheilognathus coreanus Steindachner, 1892Acheilognathus cyanostigma D. S. Jordan & Fowler, 1903 Acheilognathus deignani Acheilognathus elongatoides Kottelat, 2001Acheilognathus elongatus Acheilognathus fasciodorsalis V. H. Nguyễn, 2002Acheilognathus gracilis Nichols, 1926Acheilognathus hypselonotus Acheilognathus imberbis Günther, 1868Acheilognathus imfasciodorsalis V. H. Nguyễn, 2002Acheilognathus kyphus Acheilognathus lanchiensis Acheilognathus longibarbatus Acheilognathus longipinnis Regan, 1905 Acheilognathus longispinnis Acheilognathus macromandibularis A. Doi, R. Arai & H. Z. Liu, 1999Acheilognathus macropterus Acheilognathus majusculus I. S. Kim & H. Yang, 1998Acheilognathus melanogaster Bleeker, 1860 Acheilognathus mengyangensis Z. G. Chen, J. H. Gong & Y. S. Guo, 2021Acheilognathus meridianus 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 Acheilognathus polylepis Acheilognathus polyspinus.Acheilognathus rhombeus. Acheilognathus striatus Qing Yang, B. X. Xiong, Q. Y. Tang & H. Z. Liu, 2010Acheilognathus tabira D. S. Jordan & W. F. Thompson, 1914. Acheilognathus tonkinensis Acheilognathus typus Acheilognathus yamatsutae Mori, 1928