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Poecilia sphenops

Basic information
Scientific name Poecilia sphenops (No picture)
Common names Molly
Higher taxon Poeciliidae, Cyprinodontiformes, Actinopterygii
Natural range Mexico to Colombia
Invasion information
Range in Japan Hokkaido Range in Japan
Origin Uknown.
Date Unknown.
Route Deliberate: As pet animal. Most of molly distributed as pet is black variety “black molly”, whereas the introduced population in Hokkaido is not this variety.
Impact Unknown impact.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries Singapore, Hungary, Hawaii, Trinidad, etc.
Reference Notes
  • Froese & Pauly (eds) (2009) FishBase (Accessed on 2010-12-10)
  • Matsuzawa & Senou (2008) Alien fishes of Japan. Bun-ichi Sogo Shuppan, Tokyo (in Jpn)