|Scientific Name:||Bangana dero|
|Species Authority:||(Hamilton, 1822)|
Chondrostoma semivelatus Valenciennes, 1844
Cyprinus dero Hamilton, 1822
Labeo dero (Hamilton, 1822)
Labeo rilli Chaudhuri, 1912
Sinilabeo dero (Hamilton, 1822)
|Taxonomic Notes:||Hamilton (1822) described Cyprinus (Bangana) dero from Brahmaputra River, India. It has treated as Labeo for sometime (Talwar and Jhingran 1991). Subgenus Bangana has been upgraded to the genus status, and Kullander et al. (1999) recognized the species as Bangana dero.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Barbhuiya, A.H., Rema Devi, K.R., Dahanukar, N., Chaudhry, S. & Juffe Bignoli, D.|
Bangana dero is widely distributed and it is present within protected areas. Although some threats have been identified these are not considered as major and widespread. It is therefore assessed as Least Concern.
|Range Description:||The species is distributed throughout the Himalayan foothills, in India, Nepal, and China. Also found in Bangladesh. It has been introduced in peninsular India and Sri Lanka.|
Native:Bangladesh; China; India (Arunachal Pradesh, Assam, Manipur, Punjab, Uttaranchal, Uttar Pradesh); Nepal
|Range Map:||Click here to open the map viewer and explore range.|
Information on the population data of this species is available from four out of nine surveyed locations (rivers) in Nepal.
|Habitat and Ecology:||The species is found to inhabit torrential hill-streams in shallow waters. Adults migrate to warmer regions of lakes and streams during winter.|
|Use and Trade:||It is an important food and game fish. This minor carp of northern India is characterized by the presence of a groove along the snout, the snout being often covered by pores; the anterior dorsal convexity changes gradually to a concave profile, giving it an elegant slender appearance. Its flesh is well flavored and highly esteemed as food. It attains a length of 75 cm and can readily be caught with cast-nets. It is commonly used by anglers as bait for Raiamas bola and Tor putitora.|
|Major Threat(s):||Since the fish is a torrential hill stream species, the possible threat may be habitat degradation, dams and other human activities.|
The species is found in some of the national parks of Nepal, e.g., Koshi Tappu Wildlife Reserve, Chitwan National Park and Karnali National Park. There is a need for improved habitat protection at sites where this species is known to occur. Further survey work is needed to determine whether or not this species is experiencing a decline, or is undergoing natural population fluctuations.
|Citation:||Vishwanath, W. 2010. Bangana dero. The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 04 August 2015.|
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