Oncorhynchus masou rhodurus

Basic information
Scientific name	Oncorhynchus masou rhodurus	(No picture)
Major synonym	O. rhodurus
Common names	Biwamasu
Higher taxon	Salmonidae, Salmoniformes, Actinopterygii
Natural range	Biwako Lake, Japan
Habitat	Lake and river.

Invasion information
Range in Japan	Chuzenjiko (Tochigi Pref.) and Kizaki (Nagano Pref.) Lakes. In Chuzenjiko Lake, hybridize with cherry salmon (O. m. masou).
Origin	Biwako Lake, Japan
Date	Unknown.
Route	Unknown.
Impact	Unknown impact.
Regulation in Japan	Capture of this species is controled by Tochigi and Shiga Prefs. local governments.
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) Miyaji et al. (1963) Freshwater Fishes of Japan in Color. Hoikusha, Osaka (in Jpn)