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外来生物情報 click here
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name Western mosquitofish
scientific name Gambusia affinis
kind Cyprinodontiformes/Poeciliidae
native Southeastern part of North America.

Introduction to Japan

Since 1916 via Taiwan, distributed nationwide for mosquito control.

Distribution in Japan

Eastern and south-western (not northern) parts of Japan.

Impacts

Competition with Japanese medaka Oryzias latipes.

References

Fujioka (2000); Sawara (2002); Takemon et al. (2002)




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