Overview

Comprehensive Description

Bangana dero -

Upper Brahmaputra River basin: IHB 74VII6010, 1 ex., 321.4 mm SL, Motuo, Tibet .

  • E Zhang, Yi-Yu Chen (2006): Revised diagnosis of the genus Bangana Hamilton, 1822 (Pisces: Cyprinidae), with taxonomic and nomenclatural notes on the Chinese species. Zootaxa 1281, 41-54: 51-51, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:C7416122-F96D-4F23-A2CF-B3C23E8AD922
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Biology

Adults inhabit torrential hill-streams in shallow waters (Ref. 4832). They migrate to warmer regions of lakes and streams during winter (Ref. 40974). Used commonly by anglers as bait for Raiamas bola and Tor putitora. Herbivorous (Refs. 40948, 56237). Highly esteemed as food.
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Distribution

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.
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Asia: Pakistan to China.
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Asia: Pakistan, India, Nepal, Bangladesh, Myanmar and China; probably Sri Lanka (Ref. 4832). Also reported from Iran (Ref. 39702), Afghanistan (Ref. 41034) and Bhutan (Ref. 40882).
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Asia: Pakistan to China.
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Physical Description

Size

Maximum size: 750 mm TL
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Maximum size: 750 mm ---
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Max. size

75.0 cm TL (male/unsexed; (Ref. 4832))
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Ecology

Habitat

Habitat and Ecology

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.

Systems
  • Freshwater
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Environment

benthopelagic; potamodromous (Ref. 51243); freshwater; pH range: 8.0
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Migration

Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Trophic Strategy

Inhabits torrential hill-streams in shallow waters (Ref. 4832). Adults migrate to warmer regions of lakes and streams during winter (Ref. 40974). Used commonly by anglers as bait for Raiamas bola and Tor putitora. Herbivorous (Refs. 40948, 56237).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Vishwanath, W.

Reviewer/s
Barbhuiya, A.H., Rema Devi, K.R., Dahanukar, N., Chaudhry, S. & Juffe Bignoli, D.

Contributor/s
Molur, S.

Justification

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.

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Population

Population

Information on the population data of this species is available from four out of nine surveyed locations (rivers) in Nepal.


Population Trend
Unknown
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Threats

Major Threats
Since the fish is a torrential hill stream species, the possible threat may be habitat degradation, dams and other human activities.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions

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.

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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial; bait: usually
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