Silurus glanis Linnaeus, 1758

Wels catfish

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

Classification	Actinopterygii \| Siluriformes \| Siluridae
Synonyms	Silurus glanis aralensis, Silurus silurus, ... more
Common names	Silure glane, Siluro, Wels, ... more

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Picture by Zienert, S.

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Main reference

Kobayakawa, M. 1989. (Ref. 9417)
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Size / Weight / Age

Max length : 500 cm TL male/unsexed; (Ref. 9988); common length : 300 cm TL male/unsexed; (Ref. 9988); max. published weight: 306.0 kg (Ref. 9988); max. reported age: 80 years (Ref. 59043)

Environment

Demersal; non-migratory; freshwater; brackish; depth range 0 - 30 m (Ref. 9988)

Climate / Range

Temperate; 4°C - 20°C (Ref. 2059); 62°N - 36°N, 0°E - 80°E

Europe and Asia. In Appendix III of the Bern Convention (protected fauna). Several countries report adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 1; Dorsal soft rays (total): 4 - 5; Anal spines: 1; Anal soft rays: 90 - 95. Caudal fin with 17 rays (Ref. 2196).

Occurs mainly in large lakes and rivers, though occasionally enters brackish water in the Baltic and Black Seas (Ref. 9988). Found in deep waters of dams constructed on the lower reaches of rivers (Ref. 9696). Known to feed at night on ducks, voles, crayfish and small fishes. Spawns in the salt water of the Aral Sea (at Kulandy) (Ref. 1441). Marketed fresh, canned and frozen; can be pan-fried and baked (Ref. 9988).


IUCN Red List Status (Ref. 57073)	Threat to humans
Least Concern (LC)	Potential pest

Human uses
Fisheries: commercial; aquaculture: commercial; gamefish: yes


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)

Low, minimum population doubling time 4.5 - 14 years (tm=3-4; tmax=30)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (87 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Casal, Christine Marie V.

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Page last modified by : elaxamana, 15 July 2009

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