Silver catfish (Schilbe intermedius) fish species and information / pictures of Silver catfish - Schilbe intermedius

Silver catfish (Schilbe intermedius) fish species information

Scientific Name
Schilbe intermedius

Common Name
Silver catfish

Biology
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).

Classification

Classified By
R?ppell, 1832
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Schilbid catfishes (Schilbeidae)

Distribution

Region
Africa
Distribution
Africa: Senegal, Gambia, Casamance, Corubal, Geba, Little Scarcies, Sassandra, Boubo, Bandama, Agn?bi, M?, Como?, Tano, Pra, Volta basin, Mono, Sio, Ou?m?, 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).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
60 m
Zone
pelagic
Environment
Freshwater; pelagic; potamodromous (Ref. 51243); depth range 0 - 60 m (Ref. 34291), usually 0 - 30 m (Ref. 34291)
Trophic Level
3.6 s.e. 0.60 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
60.5 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Aquaculture: commercial
Vulnerability
High vulnerability (63 of 100)
Resilience
High, minimum population doubling time less than 15 months (tmax=5, probably greater; K
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)