Overview

Comprehensive Description

Biology

Inhabits pools and runs over gravel and cobble in clear rivers in forest areas (Ref. 12693). Omnivorous, feeding on vegetable matter such as fruits, as well as fish, crustaceans and other invertebrates (Ref. 12693). Occasionally caught, but never in large numbers (Ref. 12693).
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Distribution

Range Description

The species has been considered be restricted to the Lancangjiang basin (Upper Mekong) in Yunnan Province, China (Zhou and Cui 1996 ), however specimens probably referring to this species have been collected from the Mekong at Nong Khai in Thailand (on the border with Lao PDR) (C. Vidthayanon pers. comm. 2012).

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Asia.
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Asia: Mekong basin.
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Asia.
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Physical Description

Morphology

Dorsal spines (total): 4; Dorsal soft rays (total): 7 - 9; Analspines: 3; Analsoft rays: 5; Vertebrae: 41 - 43
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Size

Maximum size: 298 mm SL
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Max. size

46.5 cm SL (male/unsexed; (Ref. 35913))
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Diagnostic Description

Mentum long, usually reaching posteriorly to or beyond junction of upper and lower lips; soft oral structures tend to be more hypertrophied than in other Tor species, especially in larger individuals; gill rakers on lateral face of first gill arch 20-22; scales in lateral series 23-24; predorsal scales 8-10; transverse scale rows 4/1/2; vertebrae 25-27+15-16=41-43; juveniles overall silvery; pectoral, pelvic, anal, and caudal fins rosy to reddish; adults and subadults with a deep, dark midlateral stripe, body darkish above and brownish beneath; pectoral, pelvic, and caudal fins deep red (Ref. 35913).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Inhabits larger streams and rivers in clear gravel and cobble beds. Migratory. Omnivorous, feeding on vegetable matter such as fruits, as well as fish, crustaceans and other invertebrates (Rainboth 1996).

Systems
  • Freshwater
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Environment

benthopelagic; potamodromous (Ref. 51243); freshwater
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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 pools and runs over gravel and cobble in clear rivers in forest areas (Ref. 12693). Omnivorous, feeding on vegetable matter such as fruits, as well as fish, crustaceans and other invertebrates (Ref. 12693). Occasionally caught, but never in large numbers (Ref. 12693).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Tor sinensis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Tor sinensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Vidthayanon, C.

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

Contributor/s
Fisher, J.

Justification
The species is known with certainty from Yunnan in China, and the identity of specimens from other parts of the Mekong drainage in Cambodia, Lao PDR and Thailand require confirmation, although specimens probably referring to this species have been collected from the Mekong at Nong Khai in Thailand (on the border with Lao PDR) (C. Vidthayanon pers. comm. 2012). There is little information regarding its population trend or the impact of threats such as hydropower dams (which may impact the species movements). As a result the species is assessed as Data Deficient.
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Population

Population
No information is available on the population of the species.

Population Trend
Unknown
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Threats

Major Threats
There is no information available on the threats to the species and further research is required. The species and its habitat is probably impacted by indiscriminate fishing methods (poison and blast fishing), by pollution, and by hydropower development.
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Data deficient (DD)
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Management

Conservation Actions

Conservation Actions
No conservation measures are in place for the species. More research is needed on the species.
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