Gnathopogon caerulescens

Basic information
Scientific name	Gnathopogon caerulescens	(No picture)
Common names	Honmoroko
Higher taxon	Cyprinidae, Cypriniformes, Actinopterygii
Natural range	Biwako Lake, Japan.
Habitat	Lake or pond. Area with 5m or more depth.

Invasion information
Range in Japan	Okutamako (Tokyo), Yamanakako (Yamanashi), Suwako (Nagano), and Yuharako (Okayama) Lakes.
Origin	Biwako Lake, Japan
Date	Unknown.
Route	Unknown.
Impact	Unknown impact.
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 2010-12-06) 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)