Silurus asotus

Basic information
Scientific name	Silurus asotus	Click to magnify
Common names	Amur catfish
Higher taxon	Siluridae, Siluriformes, Actinopterygii
Natural range	E continental China, W Korean Peninsula, Taiwan, and Japan (Kinki District and western Honshu, Shikoku, and Kyushu).
Habitat	Lakes and ponds, and middle to lower part of rivers.

Invasion information
Range in Japan	Almost entire Japan mainland without natural population.
Origin	Unknown.
Date	No specimen older than 16 C have been found in eastern Japan.
Route	Unknown.
Impact	Predation on native species. Native organism(s) affected: Native small fishes.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	None.

Reference	Notes
Froese & Pauly (eds) (2009) FishBase (Accessed on 2010-12-07) http://www.fishbase.org/search.cfm Kawanabe et al. (eds) (2002) Freshwater Fishes of Japan, 3rd ed.. Yama-kei Publishers, Tokyo (in Jpn) Matsuzawa & Senou (2008) Alien fishes of Japan. Bun-ichi Sogo Shuppan, Tokyo (in Jpn)