Oreichthys cosuatis

Oreichthys cosuatis is a small (~3.2"/8 cm TL) cyprinid fish found in India and Bangladesh.In India it is found along the ganga and brahmaputra river drainage in the states of West bengal and odisha [2] It is also reported from Thailand [3] and Myanmar.[4]

Oreichthys cosuatis

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Barbinae
Genus: Oreichthys
Species:
O. cosuatis
Binomial name
Oreichthys cosuatis
(F. Hamilton, 1822)
Synonyms

Cyprinus cosuatis Hamilton, 1822
Puntius cosuatis Hamilton, 1822

They are strictly freshwater, and are found in ditches, ponds, streams and canals.[5]

In an aquarium, they are generally peaceful, and tend not to bother other fishes, even those much smaller than they are although they are susceptible to be bullied by larger more boisterous fish. They prefer cooler water (76 °F/24.4 °C at most, although higher temps are tolerated in the short term providing oxygen levels do not drop). Gentle water flow is preferred and be sure to use a soft substrate as this fish has sensitive bristles which is uses whilst foraging.

Oreichthys cosuatis is found in the Ganges and Brahmaputra river systems in India, Bangladesh and Nepal. This fish favours slow flowing areas of rivers with dense vegetation and clear water. This fish reaches around 40mm with the male growing slightly larger than the females, slightly more colourful and they have an extended dorsal fin

References
  1. Huckstorf, V. (2013). "Oreichthys cosuatis". IUCN Red List of Threatened Species. 2013. Retrieved 17 March 2017.CS1 maint: ref=harv (link)
  2. Talwar, P.K. & Jhingran, A.G. (1991): Inland fishes of India and adjacent countries. vol 1. A.A. Balkema, Rotterdam. 541 p.
  3. U.S. National Museum Bulletin 188: The Freshwater Fishes of Thailand, or Siam by Hugh M. Smith 1945
  4. Froese, Rainer and Pauly, Daniel, eds. (2014). "Oreichthys cosuatis" in FishBase. November 2014 version.
  5. Rahman, A.K.A. (1989): Freshwater fishes of Bangladesh. Zoological Society of Bangladesh. Department of Zoology, University of Dhaka. 364 p.


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