African butter catfish (Schilbe mystus) fish species and information / pictures of African butter catfish - Schilbe mystus

African butter catfish (Schilbe mystus) fish species information

Scientific Name
Schilbe mystus

Common Name
African butter catfish

Biology
Also caught with drawnets. Shoals in standing or slowly flowing open water with emergent or submerged vegetation. Generally more active at night or in subdued light. Feed from mid-water and surface waters on a wide variety of foods including fish, insects, shrimps, snails, plant seeds, and fruit. Oviparous, eggs are unguarded (Ref. 205). Breed during the rainy season and may be either a single or multiple spawner in different localities, laying eggs on vegetation. May live up to 6-7 years (Ref. 7248).

Classification

Classified By
Linnaeus, 1758
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Schilbid catfishes (Schilbeidae)

Distribution

Region
Africa
Distribution
Africa: including the Nile and the Zambesi system.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
23 °C
Water Temperature To
27 °C
Depth From - meters
4 m
Depth To - meters
69 m
Zone
demersal
Environment
Freshwater; demersal; potamodromous (Ref. 51243); depth range 4 - 69 m
Trophic Level
3.45 s.e. 0.56 Based on diet studies.
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
40.0 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
Fisheries: commercial; gamefish: yes; aquarium: commercial
Vulnerability
Moderate vulnerability (41 of 100)
Resilience
High, minimum population doubling time less than 15 months (K=0.09-0.94; tmax=6-7; assuming fec > 10,000)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)