Status of ornamental fish diversity of Sonkosh River, Bodoland Territorial Council, Assam, India
Authors: D.C. Baro, S. Sharma and R.A. Baishya
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Extensive survey for ornamental fishes of Sonkosh River was conducted from April, 2012 to March, 2013. The River Sonkosh is located in the western part of Kokrajhar District of Bodoland Territorial Council (BTC) area, a tributary of the Brahmaputra River in north-west bank. During the survey period, a total of 49 ornamental fish species were identified belonging to 34 genera, 18 families and 6 orders. Cyprinidae family represented the maximum number of species (18) followed by the family Channidae (5), Cobitidae (4), Siluridae (3), Amblycipitidae (3), Balitoridae, Nandidae, Badidae and Belontiidae (2 species each) and Notopteridae, Schilbeidae, Olyridae, Chacidae, Mastacembelidae, Chandidae, Osphronemidae, Gobiidae and Tetraodontidae (1 species each). The study shows that 1 species belongs to endangered category, 3 species near threatened, 1 species vulnerable, 32 species least concern, 3 species data deficient and 6 species not evaluated according to IUCN status, 2013.