| Invasion information |
| Range in Japan |
Tokyo Bay, coast of Mie Pref., Osaka Bay, western coast of Kyushu. |
|
| Origin |
Postulated to be Phillippine. |
| Date |
By 1937. |
| Route |
With ballast water or fouling on ships. |
| Impact |
Competition with native and fishery fouling animals. Pollution by fouling on ships, intake facilities, etc. Native organism(s) affected: Cultured oyster, pearl oyster, etc. |
| Regulation in Japan |
Release of A. amphitrite, A. mprovisus, and A. eburneus are prohibited in Aichi Prefecture (29 Mar 2012). |
| Introduced range in other countries |
Worldwide |