Ompok bimaculatus (Bloch, 1794)

Butter catfish

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

Classification	Actinopterygii \| Siluriformes \| Siluridae
Synonyms	Silurus bimaculatus, Callichrous bimaculatus, Pseudosilurus bimaculatus, ... more
Common names	Indian butter-catfish, Täplälasimonni, Kani pabda, ... more

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Image of Ompok bimaculatus (Butter catfish)

Picture by Khan, M.M.

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Main reference

Pethiyagoda, R. 1991. (Ref. 6028)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 45.0 cm SL male/unsexed; (Ref. 4833)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; brackish; pH range: 6.0 - 8.0; dH range: 4 - 28; depth range 0 - 2 m

Climate / Range

Tropical; 20°C - 26°C (Ref. 1672)

Asia: Afghanistan to China, Thailand and Borneo. Endangered status in the Western Ghats, India (Ref. 44150).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 4; Anal soft rays: 54 - 74. Two pairs of barbels; maxillary barbels reaching pelvic fins or anal fins; mandibulary barbels minute, about as long as diameter of eye. Eyes small, covered by skin. Dorsal and pelvic fins small; anal fin long; pectoral fins well developed (Ref. 4792); vomerine teeth in 2 patches (Ref. 12693). Brown, usually marmorated body with conspicuous round black blotch above pectoral base (Ref. 43281). Also Ref. 44150.

Occurs in streams and rivers of all sizes with currents ranging from sluggish to moderate (Ref. 12693). Found in quiet, shallow (0.5-1.5 m), often muddy water, in sandy streams, rivers and tanks (Ref. 6028). Also occurs in canals, beels and inundated fields (Ref. 1479). Moves into freshly inundated habitats during the flood season (Ref. 12693). Feeds on vegetable matter, fish (Ref. 6028), crustaceans and mollusks (Ref. 12693). Sold fresh or smoked on skewers (Ref. 12693).


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

Human uses
Fisheries: commercial; aquaculture: commercial; aquarium: 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

Tools
Biogeographic modelling \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| LifeMapper \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


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

Entered by Binohlan, Crispina B.

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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