Invasion information | ||
Range in Japan | Established in several ponds in Chiba and Shizuoka Pref., and possibly in Tokyo Pref. Recorded in central and southwestern part of main lands of Japan and Okinawajima Is. An adult female found in southern Fukushima Pref. in June 2010 was sexually matured. |
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Origin | USA | |
Date | 1960s. | |
Route | Deliberate: Escape and/or release of pet animals. | |
Impact | Actually: Predation of freshwater animals, and competition with native turtles. Attack against fishery gear. Potentially: Attack against human. Native organism(s) affected: Freshwater turtles, fishes, aquatic insects, crayfishes, crabs, shrimps, molluscs, aquatic plants. | |
Regulation in Japan | Import, transport and keeping in Japan are prohibited by the Invasive Alien Species Act. | |
Introduced range in other countries | None. |
Reference | Notes |
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100 of the Japan’s Worst Invasive Alien Species Although hurting against human may be possible, little or no case in the natural range. As the distribution of established population is currently limited to several ponds, immediate action may enable eradication. Although some authors regard Central and South American populations as distinct species, C. serpentina in the broad sense is subject to control by the Invasive Alien Species Act. |