Overview

Distribution

Range Description

Recorded from Eurasia and southeast Asia: from the Amur southward to the Xi Jiang in southern China; reported from northern Vietnam (Kottelat 2001). In China the species is recorded from the Yangtze River (Chang Jiang River), Huang He River (Yellow River), Liao River, Amur River, Zhujiang River (Pearl River), and Hainan Island. In Viet Nam recorded from rivers and large reservoirs in northern provinces, particularly the Hong, Thai Binh, Ma, and the Lam River. In Russia it is known from the Ussuri River, Khanka River, Alkedon River, and the middle and lower reaches of the Amur.
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Asia: Amur southward to Xi Jiang (Ref. 82587), and Viet Nam (Ref. 89724).
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Asia.
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Physical Description

Morphology

Dorsal soft rays (total): 7; Analsoft rays: 3 - 9
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Size

Maximum size: 300 mm TL
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Maximum size: 300 mm TL
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Max. size

30.0 cm TL (male/unsexed; (Ref. 1441)); max. published weight: 300 g (Ref. 56557)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Found in rivers. They live in the middle and bottom of rivers in open water. They feed algae and zooplankton. Reaches maturity after about one year. Spawns in open water. Fry grow in lower section for a short time, then move to middle stream to live.

Systems
  • Freshwater
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Environment

benthopelagic; freshwater
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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
2012

Assessor/s
Nguyen, T.H.T.

Reviewer/s
Smith, K. & Allen, D.

Contributor/s

Justification
A widespread species with no known major widespread threats, it is assessed as Least Concern.
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Population

Population
No information available.

Population Trend
Unknown
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Threats

Major Threats
Likely to be impacted across parts of its range by various threats including pollution and dams.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
None required.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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