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250L community aquarium

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