Overview

Distribution

Range Description

Metzia lineata has an East Asia distribution. In China, it is known from the Pearl River drainage in Guangxi, Guizhou, Yunnan, and Guangdong Provinces, the Jiulong-Jiang River and Jin-Jiang River drainages in Fujian Province, the Red River drainage in Yunnan Province, Hainan Island and Taiwan (Wu 1984, Chu and Chen 1989, Luo and Chen 1998). In Viet Nam, it is distributed from An Lao River (Binh Dinh Province) to the Red River basin (Kottelat 2001, Nguyen and Ngo 2001, Serov et al. 2006). Introduced in other river basins in China and spread to northern Laos (Kottelat 2001).
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Asia: Viet Nam, China and Taiwan. Introduced in other basins in China and spread to northern Laos.
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Asia: China and Vietnam
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Physical Description

Morphology

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Analspines: 3; Analsoft rays: 14 - 18
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Size

Max. size

10.0 cm SL (male/unsexed; (Ref. 43281))
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Diagnostic Description

Body covered by middle sized round scale. Short dorsal fin, starts from the end point of pelvic fin. Black gray in the back, silver white in the stomach. Black spots in the base of each scale, forming several gray strips vertically (Ref. 33303). Keel on belly between pelvic fin origin and anal fin origin; several faint longitudinal stripes along scale rows (Ref. 43281).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Found in the medium-size and small rivers, usually associated with slow moving water, sometimes in rice field ditches (Serov et al. 2006).

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
Huckstorf, V.

Reviewer/s
Freyhof, J. & Smith, K.

Contributor/s

Justification
Metzia lineata has been assessed as Least Concern as this species has a large distribution area and there are no known widespread threats to the species.
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Population

Population
There is no information available on the species population.

Population Trend
Unknown
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Threats

Major Threats
No information available on the threats to the species.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no conservation measures in place.
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