Poecilia reticulata

Basic information
Scientific name	Poecilia reticulata	Click to magnify
Common names	Guppy
Higher taxon	Poeciliidae, Cyprinodontiformes, Actinopterygii
Natural range	Venezuela, Guyana
Habitat	Warm streams, springs, effluence, canals, etc. In Japan, nearby hotsprings, rivers and canals with industrial effluence. Drain sewer, brackish area, etc.

Invasion information
Range in Japan	Hot springs in Hokkaido(Onneto Falls: declared eradication in 2019), Fukushima, Nagano, Shizuoka, Okayama, Oita, and Kagoshima Prefs., rivers and canals in Okinawa and Ogasawra.
Origin	S America
Date	Ca.1955. Establishment in Okinawa was in 1960 or later.
Route	Deliberate: release or escape of pet animal.
Impact	Unknown impact.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Worldwide, including small islands, Pacific islets and Reunion.

Reference

Notes

DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki, Tokyo (in Jpn)
Froese & Pauly (eds) (2009) FishBase (Accessed on 2010-12-10) http://www.fishbase.org/search.cfm
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha, Tokyo (in Jpn)
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)
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.