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 comes from the Ancient Greek ἀ- (á-), meaning "without", χεῖλος (kheîlos), meaning "lip", and γνάθος (gnáthos), meaning "jaw".

Acheilognathus
Acheilognathus rhombeus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Acheilognathidae
Genus: Acheilognathus
Bleeker, 1860
Type species
Capoeta rhombea
Synonyms[1]
  • Pseudoperilampus Bleeker, 1863

Morphology

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Fish of this genus range in length from 5 to 27 cm. They are similar in appearance to fishes of the genus Puntius.

Species

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These are the currently recognized species in this genus:[2]

In addition, there may be two undescribed species in Korea awaiting further study:

  • Acheilognathus sp.[3]
  • Acheilognathus sp. HR[4]

References

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  1. 1 2 Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Genera in the family Acheilognathidae". Catalog of Fishes. California Academy of Sciences. Retrieved 19 February 2025.
  2. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Acheilognathus". Catalog of Fishes. California Academy of Sciences. Retrieved 19 February 2025.
  3. Chae, B.S.; Kim, S.K.; Lee, J.H.; Hwang, U.W. (2014). "Taxonomic status of Acheilognathus sp. (Cyprinidae) found in the Geum River, Korea". Korean Journal of Ichthyology (in Korean). 26 (4): 249–258. Retrieved 5 June 2023.
  4. Kim, Y.H.; Yun, B.H.; Sung, M.S.; Bang, I.-C. (2022). "Taxonomic Status of Acheilognathus 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). Retrieved 5 June 2023.{{cite journal}}: CS1 maint: DOI inactive as of October 2025 (link)