''Nandus oxyrhynchus'' is a species of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

from the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Nandidae. It is native to the

Mekong River The Mekong or Mekong River ( , ) is a transboundary river in East Asia and Southeast Asia. It is the world's List of rivers by length, twelfth-longest river and List of longest rivers of Asia, the third-longest in Asia with an estimated l ...

Basin,

Chao Phraya River The Chao Phraya River 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. Etymology Written evidence of the river being referred to by the ...

Basin, and

Mae Klong River The Mae Klong (, , ), sometimes spelled Meklong, is a river in western Thailand. The river begins in Kanchanaburi Province and flows across Ratchaburi Province and Samut Songkhram Province. Course The origin of the river is in Kanchanaburi to ...

Basin. It occurs in slow flowing and still waters in streams, rivers, pond and lakes. It is a carnivorous fish preying on other fishes and larger invertebrates.

References

Fish of Vietnam Fish of Thailand Fish described in 1996 Nandidae Taxa named by Heok Hee Ng Taxa named by Chavalit Vidthayanon {{Rayfinned-fish-stub