Oreochromis niloticus

Basic information
Scientific name	Oreochromis niloticus	Click to magnify
Common names	Nile tilapia
Higher taxon	Cichlidae, Perciformes, Actinopterygii
Natural range	W Africa (Niger River System, etc.), E Africa (Lake Tanganyika and northern area of Nile River System), Israel (coastal rivers)
Habitat	Freshwater to brackish.

Invasion information
Range in Japan	Hokkaido (Onneto Falls: declared eradication in 2019), Kagoshima Pref. (Ikedako Lake), Okinawa, Ogasawara, etc.
Origin	Egypt
Date	1962
Route	Deliberate: For food.
Impact	Potentially: Competition with native fishes. Native organism(s) affected: Native fishes
Regulation in Japan	Release of this species in Aichi Pref. is controled by a prefectural ordinance.
Introduced range in other countries	Hong Kong, South Korea, Taiwan, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Viet Nam, Bangladesh, Pakistan, Sri Lanka, Tunisia, Burundi, Kenya, Uganda, Rwanda, Madagascar, Tanzania, Cote d’Ivoire, Cameroon, Congo, Botswana, Zambia, Zimbabwe, Mexico, Cayman Is., Costa Rica, Cuba, Dominican Republic, El Salvador, Guatemala, Honduras, Nicaragua, Panama, Puerto Rico, Bolivia, Brazil, Colombia, Ecuador, Peru, Galapagos Is., Fiji, Mauritius, Reunion, etc. Taiwan and Thailand populations were introduced from Japan.

Reference

Notes

DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki. (in Jpn)
Ecol Soc Japan (ed) (2002) Handbook of Alien Species in Japan. Chijin-Shokan. (in Jpn)
Froese & Pauly (eds) (2009) FishBase (Accessed on 2011-1-06) http://www.fishbase.org/
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha. (in Jpn)
Kawanabe et al. (eds) (2002) Freshwater Fishes of Japan, 3rd ed.. Yama-kei Publishers, Tokyo (in Jpn)
Ministry of the Environment declared eradication at Onnneto Falls, Akan-Mashu National Park, Hokkaido (Accessed on 2019-12-27)http://hokkaido.env.go.jp/kushiro/pre_2019/post_65.html
etc.