Squalidus gracilis gracilis

Basic information
Scientific name	Squalidus gracilis gracilis	Click to magnify
Common names	Itomoroko
Higher taxon	Cyprinidae, Cypriniformes, Actinopterygii
Natural range	C to W Japan. The Nobi Plain and western part of Honshu, NE Shikoku, N Kyushu, and Iki and Fukuejima (Goto Islands) Is.
Habitat	Middle to lower river, canals irrigation.

Invasion information
Range in Japan	Kanagawa Pref. (Sagami River) and Shizuoka Pref.
Origin	Within 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 2010-12-07) 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)