Invasion
Invasion Description
1st Established record: Chuuk (Truk)/Pacific Ocean (1927-1931, Eldredge 1994, 6724 snails brough from Palau, 1st harvest 1939) Native Distribution: Palau/Pacific Ocean (Smith 1987; Eldredge 1994); Pacific Ocean (Smith 1987; Eldredge 1994)
Geographic Extent
Introduced Distribution: Chuuk (Truk)/Caroline Islands/Pacific Ocean (1927-1931, Eldredge 1994, 6724 snails brought from Palau, 1st harvest 1939); Ngulu, Ngatik, Mokil, Puluwat, Ulithi/Caroline Islands/Pacific Ocean (1930s, Eldredge 1994, successful introductions from Yap and Palau); Kapingamarangi, Nukuoro, Satawan/Caroline Islands (1930s, Eldredge 1994, successful introductions from Yap and Palau) Puluwat/Caroline Islands Pacific Ocean (1937, Eldredge 1994); Pohnpei/Caroline Islands/Pacific Ocean (1939, Eldredge 1994, 6,745 shells imported from Chuuk); Kosrae/Caroline Islands/Pacific Ocean (1940s-early 1950s, unsuccessful, 1959, established, Eldredge 1994); Jaluit/Marshall Islands/Pacific Ocean (1939, Eldredge 1994) Native Distribution: Palau/Pacific Ocean (Smith 1987; Eldredge 1994); Yap/Pacific Ocean (Smith 1987; Eldredge 1994)
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). | ||