Fish fauna of Doon Valley, District Dehradun, Uttarakhand, India

Abstract

The fish fauna of Doon valley, part of District Dehradun was studied for a period of 2 years from March, 2010 -February, 2012. 56 species belonging to 5 Orders, 13 Families and 30 Genera were collected from various sampling stretches set on 5 rivers viz., Baldi, Song, Suswa in the East and Tons and Asan in the West. Of them, 6 are the new records viz., Puntius terio (Hamilton), Lepidocephalichthys annandalei Chaudhuri, Colisa lalia (Hamilton), Colisa labiosus (Day), Channa marulius (Hamilton) and Channa harcourtbutleri (Annandale). Family Cyprinidae was the most dominating family contributing 53% (30 species) to the fish fauna of Doon Valley, followed by Balitoridae and Channidae, both contributing 7% each to the percentage, represented by 4 species each. Cyprinus carpio (river Song, S 7 ) and Clarius gariepinnus (river Tons, S 15 ) are accidental catches of exotic species. As per the fishbase.org status (2007), 52 species (92.85%) are adjudged native, 2 species (3.57%) endemic and 2 species (3.57%) introduced. On the other hand, the IUCN (2015 -4) status outlines that 41 species are Least Concern, 3 Vulnerable, 1 Endangered, 3 Near Threatened, and 8 Not Assessed.

Danionid fishes of Dehradun (Uttarakhand)

“…Altitudinal Range: Upto 1,769 m altitude (Husain, 2015). Distribution: Uttarakhand: Dehra Dun: Eastern Doon Valley: Song river and Suswa river at Doiwala-Kansrao, Kansrao-Nepali Farm (Rana & Gupta, 2017;. Western Doon Valley: Asan river, Herbertpur (Husain, 2015 Swedmar, Goteborg; Conway et al, 2011.…”

Morphometric characters and meristic counts of two freshwater fishes of order Cypriniformes from song river Dehradun, Uttarakhand

“…There is several local rivers flow in and around Dehradun districts. The Doon Valley is recognized high icthyofaunal diversity (Uniyal and Kumar, 2006;Rana et al, 2017). The economically fishes constitute a very important group of animals and provide a rich source of food, liver oil and a number of other by-products, like fish meal and fish manure (Khanna and Singh, 2006).…”