Silurus asotus Linnaeus, 1758

Amur catfish

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

Classification	Actinopterygii \| Siluriformes \| Siluridae
Synonyms	Parasilurus asotus, Parasilurus asotus asotus, Silurus bedfordi, ... more
Common names	Chinese catfish, Japanese catfish, Namazu, ... more

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Picture by Liao, T.-Y.

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Main reference

Kobayakawa, M. 1989. (Ref. 9417)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 130 cm TL male/unsexed; (Ref. 56557); common length : 37.0 cm SL male/unsexed; (Ref. 35840); max. published weight: 30.0 kg (Ref. 56557)

Environment

Demersal; freshwater

Climate / Range

Temperate; 5°C - 25°C (Ref. 13614); 53°N - 23°N, 95°E - 143°E

Europe and Asia: Honshu, Shikoku and Kyushu in Japan, the Korean Peninsula, Taiwan, China, and Russia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 4; Anal soft rays: 67 - 84. The side of the dorsal is dark grey; white stomach; with irregular white dots on the side. One pair of maxillary barbel, longer than the head; one pair of mandibular barbels, about 1/5-1/3 the length of the maxillary barbel (Ref. 40516).

Commercially cultured in Japan. Feeds on all types of fish (Ref. 41072).


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

Human uses
Fisheries: commercial; aquaculture: 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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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (tm=4-5)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (65 of 100)	Not marketed/unknown

Entered by Agustin, Liza Q.

Modified by Garilao, Cristina V.

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Page last modified by : elaxamana, 15 July 2009

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