Invasion
Invasion Description
1st Record: Saipan/Marianas Islands/Pacific Ocean (1938, Eldredge 1994)
Geographic Extent
Saipan/Marianas Islands/Pacific Ocean (1938, Eldredge 1994); Guam/Marianas Islands/Pacific Ocean (1955, Smith 1987; Eldredge 1994); Tanguisson Beach, 1.7 Km NE of Amantes Point, NCS Beach Dive Area/Guam/Pacific Ocean (1983, USNM 852125, US National Museum of Natural History 2010)
Vectors
| Level | Vector |
|---|---|
| Probable | Fisheries Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| The topshell Trochus niloticus was widely introduced for the mother-of-pearl in the shell and ts edible meat (Eldredge 1994). | ||