Silurus soldatovi

Soldatov's catfish
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Siluridae
Genus: Silurus
Species: S. soldatovi
Binomial name
Silurus soldatovi
Nikolsky & Soin, 1948
Silurus soldatovi
Soldatov's catfish
Chinese name
Traditional Chinese 懷頭鯰
Simplified Chinese 怀头鲶
Russian name
Russian сом Солдатова
Romanization som Soldatova

Silurus soldatovi, Soldatov's catfish or northern sheatfish (Russian: сом Солдатова), is a large catfish species from the Far East.

Habitat

Soldatov's catfish lives in Amur River (Ussuri) in Russia and China. It prefers water temperatures from 5 to 25°C.

Description

This catfish is visually similar to the closely related Wels catfish. Soldatov's catfish has a large flat head. Its mouth is blunt and rounded, the upper jaw shorter than the lower jaw. Barbels are located on the upper jaw and chin. It has the following formula fins: Dorsal six soft rays, anal 83-90 soft rays. The fish can live up to 20 years, and can grow to about 4 metres in length and weigh 40 kilogrammes.[1]

Threats

The Soldatov's catfish population is threatened by overfishing, habitat degradation and water pollution. Due to its localized distribution and the low population density, the population is now considered endangered.[2]

References

  1. Froese, Rainer, and Daniel Pauly, eds. (2006). Silurus Soldatovi in FishBase. April 2006 version.
  2. Liu Wei (2010), PhD thesis: Physio-ecology of Northern Sheatfish Silurus Soldatovi During Early Development, Ocean University of China

External links

This article is issued from Wikipedia - version of the Tuesday, May 19, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.