''Acheilognathus'' is a genus of

cyprinid Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest ver ...

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of ...

native to

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...

. The name is derived from the

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

''a'', meaning "without", the Greek ''cheilos'', meaning "lip", and the Greek ''gnathos'', meaning "jaw".

Morphology

Fishes of this genus have length from 5 to 27 cm. They are small and the shape is likely to the fishes of genus '' Puntius''.

Species

There are currently 41 recognized species in this genus: *'' Acheilognathus asmussii'' ( Dybowski, 1872) (Russian bitterling) *'' Acheilognathus barbatulus'' Günther, 1873 *'' Acheilognathus barbatus''

Nichols Nichols may refer to: People *Nichols (surname) *Nichol, a surname Places Canada * Nichols Islands, Nunavut United States * Nichols, California, an unincorporated community * Nichols Canyon, Los Angeles, California * Nichols, Connecticut * Nich ...

, 1926 *'' Acheilognathus brevicaudatus'' Y. R. Chen & Z. Y. Li, 1987 *'' Acheilognathus changtingensis'' Qing Yang, Y. R. Zhu, B. X. Xiong & H. Z. Liu, 2011 *'' Acheilognathus coreanus'' Steindachner, 1892 *''

Acheilognathus cyanostigma The striped bitterling (''Acheilognathus cyanostigma'') is a species of freshwater ray-finned fish in the genus ''Acheilognathus''. It is endemic to Lake Biwa and Lake Yogo in Japan. It typically grows to a length of 6.0 cm. The reprod ...

'' D. S. Jordan & Fowler, 1903 (striped bitterling) *'' Acheilognathus deignani'' ( H. M. Smith, 1945) *'' Acheilognathus elongatoides'' Kottelat, 2001 *''

Acheilognathus elongatus The elongate bitterling (''Acheilognathus elongatus'') is a species of freshwater fish in the family Cyprinidae. It is found only in shallow water areas along the shores of Lake Dianchi Dianchi Lake (), also known as Lake Dian and Kunming Lak ...

'' (

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1908) (elongate bitterling) *'' Acheilognathus fasciodorsalis'' V. H. Nguyễn, 2001 *'' Acheilognathus gracilis''

, 1926 *†'' Acheilognathus hondae'' ( D. S. Jordan &

Metz Metz ( , , lat, Divodurum Mediomatricorum, then ) is a city in northeast France located at the confluence of the Moselle and the Seille rivers. Metz is the prefecture of the Moselle department and the seat of the parliament of the Grand ...

, 1913) *†'' Acheilognathus hypselonotus'' ( Bleeker, 1871) *'' Acheilognathus imberbis'' Günther, 1868 *'' Acheilognathus imfasciodorsalis'' V. H. Nguyễn, 2001 *'' Acheilognathus kyphus'' ( Đ. Y. Mai, 1978) *'' Acheilognathus longibarbatus'' ( Đ. Y. Mai, 1978) *'' Acheilognathus longipinnis''

, 1905 (deepbody bitterling) *'' Acheilognathus macromandibularis'' A. Doi, R. Arai & H. Z. Liu, 1999 *'' Acheilognathus macropterus'' ( Bleeker, 1871) *'' Acheilognathus majusculus'' I. S. Kim & H. Yang, 1998 *''

Acheilognathus melanogaster ''Acheilognathus melanogaster'' is a species of brackish, freshwater ray-finned fish in the genus ''Acheilognathus''. It is endemic to Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It ...

'' Bleeker, 1860 (Japanese bitterling) *'' Acheilognathus meridianus'' ( H. W. Wu, 1939) *'' Acheilognathus microphysa'' J. X. Yang, X. L. Chu & Y. R. Chen, 1990 *'' Acheilognathus nguyenvanhaoi'' H. D. Nguyễn, Đ. H. Trần & T. T. Tạ, 2013 *'' Acheilognathus omeiensis'' (H. J. Shih & T. L. Tchang, 1934) *'' Acheilognathus peihoensis'' Fowler, 1910 *'' Acheilognathus polylepis'' ( H. W. Wu, 1964) *'' Acheilognathus polyspinus'' ( Holčík, 1972) *'' Acheilognathus rhombeus'' (

Temminck Coenraad Jacob Temminck (; 31 March 1778 – 30 January 1858) was a Dutch aristocrat, zoologist and museum director. Biography Coenraad Jacob Temminck was born on 31 March 1778 in Amsterdam in the Dutch Republic. From his father, Jacob Temmin ...

Schlegel Schlegel is a German occupational surname. Notable people with the surname include: * Anthony Schlegel (born 1981), former American football linebacker * August Wilhelm Schlegel (1767–1845), German poet, older brother of Friedrich * Brad Schlege ...

, 1846) *'' Acheilognathus striatus'' Qing Yang, B. X. Xiong, Q. Y. Tang & H. Z. Liu, 2010 *'' Acheilognathus tabira'' D. S. Jordan & W. F. Thompson, 1914 **'' Acheilognathus tabira erythropterus'' R. Arai, Fujikawa & Yoshikazu Nagata, Nagata, 2007 **''Acheilognathus tabira jordani'' R. Arai, Fujikawa & Yoshikazu Nagata, Nagata, 2007 **''Acheilognathus tabira nakamurae'' R. Arai, Fujikawa & Yoshikazu Nagata, Nagata, 2007 **''Acheilognathus tabira tabira'' D. S. Jordan & William Francis Thompson, W. F. Thompson, 1914 **''Acheilognathus tabira tohokuensis'' R. Arai, Fujikawa & Yoshikazu Nagata, Nagata, 2007 *''Acheilognathus taenianalis'' ( Günther, 1873) *''Acheilognathus tonkinensis'' (Leon Louis Vaillant, Vaillant, 1892) *''Acheilognathus typus'' Bleeker, 1863 *''Acheilognathus yamatsutae'' Tamezo Mori, T. Mori, 1928

References

Acheilognathus, Taxa named by Pieter Bleeker {{Acheilognathinae-stub