''Cyclocheilichthys heteronema'' is a species of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...

in the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

Cyclocheilichthys ''Cyclocheilichthys'' is a genus of ray-finned fish in the family Cyprinidae containing approximately eight valid species. They are native to freshwater habitats in Southeast Asia and China. Two additional species are alternately placed in the g ...

''. They inhabit freshwater bodies of water in the Malay Peninsula,

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and ea ...

, and the

Chao Phraya The Chao Phraya ( or ; th, แม่น้ำเจ้าพระยา, , or ) is the major river in Thailand, with its low alluvial plain forming the centre of the country. It flows through Bangkok and then into the Gulf of Thailand. E ...

and

Mekong The Mekong or Mekong River is a trans-boundary river in East Asia and Southeast Asia. It is the world's twelfth longest river and the third longest in Asia. Its estimated length is , and it drains an area of , discharging of water annual ...

basins.

References

heteronema ''Heteronema'' is a genus of phagotrophic, flagellated euglenoids that are most widely distributed in fresh water environments.Guiry, M. D.; Guiry, G. M. (2012). “Heteronema Dujardin, 1841”. Retrieved February 14, 2019, fro/ref> This genus c ...

Fish of Thailand Fish described in 1853 {{Cyprininae-stub