Eurasian catfish (Silurus biwaensis) fish species and information / pictures of Eurasian catfish - Silurus biwaensis

Eurasian catfish (Silurus biwaensis) fish species information

Scientific Name
Silurus biwaensis

Common Name
Eurasian catfish

Biology
Largest species among the Japanese silurid fishes (Ref. 37518).

Classification

Classified By
Tomoda, 1961
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Sheatfishes (Siluridae)

Distribution

Region
Asia
Distribution
Asia: Endemic to Lake Biwa, Japan.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
4.15 s.e. 0.75 Based on size and trophs of closest relatives
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
118 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
Gamefish: yes
Vulnerability
High to very high vulnerability (69 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated