| 词条 | Silurus soldatovi |
| 释义 |
| name = Soldatov's catfish | image = Сомы Солдатова из Амура.JPG | taxon = Silurus soldatovi | authority = Nikolsky & Soin, 1948 }}{{infobox Chinese |title=Soldatov's catfish |s=怀头鲶|p=huái tóu nián|t=懷頭鯰 |rus=сом Солдатова |rusr=som Soldatova}} Silurus soldatovi, Soldatov's catfish or northern sheatfish ({{lang-ru|сом Солдатова}}), is a large catfish species from the Far East. HabitatSoldatov's catfish lives in Amur River (Ussuri) in Russia and China. It prefers water temperatures from 5 to 25 °C. DescriptionThis 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 meters in length and weigh 40 kilograms.[1] ThreatsThe 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] References1. ^{{FishBase species alt|28053|taxon=Silurus Soldatovi|year=2006}} 2. ^{{citation |author=Liu Wei |title=PhD thesis: Physio-ecology of Northern Sheatfish Silurus Soldatovi During Early Development |year=2010 |publisher=Ocean University of China |url=http://www.dissertationtopic.net/doc/1496539}} External links
5 : Silurus|Fish of Russia|Fish of China|Fish of East Asia|Fish described in 1948 |
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