Schilbe intermedius Rüppell, 1832

Silver catfish

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

Classification	Actinopterygii \| Siluriformes \| Schilbeidae
Synonyms	Eutropius lemairii, Schilbe dispila, Schilbe palmeri, ... more
Common names	Butterfish, Silver butter catfish, 银钖伯鲶, ... more

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Image of Schilbe intermedius (Silver catfish)

Picture by Seegers, L.

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Main reference

De Vos, L. 1992. (Ref. 7351)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 60.5 cm TL male/unsexed; (Ref. 52331)

Environment

Pelagic; potamodromous (Ref. 51243); freshwater; depth range 0 - 60 m (Ref. 34291), usually 0 - 30 m (Ref. 34291)

Climate / Range

Tropical

Africa: Senegal, Gambia, Casamance, Corubal, Geba, Little Scarcies, Sassandra, Boubo, Bandama, Agnébi, Mé, Comoé, Tano, Pra, Volta basin, Mono, Sio, Ouémé, Ogun, entire Niger and Chad basins, Cross, Wouri and Sanaga; absent between Little Scarcies and Sassandra; further in the entire Congo River basin, Malagarasi, Luiche, Cunene, Okavango, entire Zambezi including the Kafue system, Lake Kariba, Webi Shebeli, Wando, Tana, Galana, Athi, Wami, Rufiji-Ruaha, Lake Rukwa, lower Sabi-Lundi, Shire below Murchison Falls, Lake Chilwa, Ruvu, Pungwe, Limpopo, Incomati and Pongola (Ref. 43912).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 1; Dorsal soft rays (total): 56. Anal fin long, extending from vent almost to origin of caudal fin. Four pairs of short, circum-oral barbels. Silver-grey, somewhat darker above (Ref. 34290).

Reported to be a pelagic species (Ref. 34290). Occur mainly on shallow waters. Migrate to the surface at night (Ref. 34291). Feed on a wide range of invertebrates including terrestrial insects and whole or pieces of fish (Ref. 28714). Primarily piscivorous at 13-34 cm TL (Ref. 34291). Rarely grow to lengths greater than 30 cm SL (Ref. 34290). Spawn throughout the year peaking once (Ref. 34291). Migrate into rivers in fairly compact schools during the rainy season to spawn in floodwater pools (Ref. 34291). Oviparous, eggs are unguarded (Ref. 205).


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

Human uses
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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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (tmax=5, probably greater; K <0.30; Fec = 18,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (63 of 100)	Not marketed/unknown

Entered by Sa-a, Pascualita

Modified by Luna, Susan M.

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Page last modified by : elaxamana, 15 July 2009

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