Mystus cavasius (Hamilton, 1822)

Gangetic mystus

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Bagridae
Synonyms	Pimelodus cavasius, Aoria cavasius, Bagrus cavasius, ... more
Common names	Gangatic mystus, 脂鳠, Trey Kanchos chhnaut, ... more

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Image of Mystus cavasius (Gangetic mystus)

Picture by Khan, M.M.

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Main reference

Talwar, P.K. and A.G. Jhingran. 1991. (Ref. 4833)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 40.0 cm SL male/unsexed; (Ref. 4833); max. published weight: 10,000 g (Ref. 4833)

Environment

Demersal; amphidromous (Ref. 51243); freshwater; brackish

Climate / Range

Tropical; 5°N - 38°S

Asia: lowland rivers in most major basins of the Indian subcontinent (Pakistan, Nepal, India, Sri Lanka and Myanmar), including but not limited to the Indus, Brahmaputra-Ganges, Krishna, Cauvery, Irrawaddy, Salween and Tenasserim. Reports of this species from the Chao Phraya and Mekong basins, Malaysia, and Indonesia are based on misidentifications of Mystus albolineatus or Mystus singaringan. Occurs in Thailand, but only in the Salween basin.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 10 - 11. Body elongate and compressed; head conical; occipital process narrow. Maxillary barbels, in adults, extend posteriorly beyond the caudal fin base, but in young specimen, do not extend beyond the anal fin. Dorsal spine weak, often feebly serrated. Color is grayish with a more or less well-defined midlateral longitudinal stripe. A dark spot emphasized by a white or pale area along its ventral margin is just anterior to the first dorsal spine. Dorsal, adipose and caudal fins shaded with melanophores.

Found in tidal rivers and lakes; also beels, canals, ditches, ponds, and inundated fields. Its pectoral spine can cause painful wounds (Ref. 4833). Found in the basin-wide tributary of the lower Mekong (Ref. 36667). Oviparous, distinct pairing possibly like other members of the same family (Ref. 205).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Venomous (Ref. 4833)

Human uses
Fisheries: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 3,314)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (51 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Luna, Susan M.

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Page last modified by : elaxamana, 15 July 2009

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