[n = 5]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Guam | unknown | |
| 1956 | Thailand | Hong Kong | not established | |
| 1991 | Hawaii | Cook Islands (Mitiaro) | not established | probably none |
| 1996 | Philippines | Bangladesh | not established | no data |
| 2011 | Indian Ocean | Gazipa?a | established |