Introductions of Trochus niloticus
n = 17
Year / Period From To Established Ecological effects
1925-1949 Palau Micronesia yes unknown
unknown Unknown French Polynesia unknown unknown
1950 - 1959 Northern Mariana Islands (Saipan) Guam yes unknown
1937 Palau Kiribati unknown unknown
1938 Palau Fiji unknown unknown
1938 Palau Northern Mariana Is. unknown unknown
1939 Palau Marshall Islands yes unknown
1952 Guam Hawaii unknown unknown
1957 Fiji (Viti Levu) Cook Is. yes probably yes
1957 Vanuatu French Polynesia unknown unknown
1958 Fiji Islands American Samoa probably no unknown
1958 New Caledonia French Polynesia probably yes unknown
1985 Fiji Islands Tuvalu probably yes unknown
1986 Fiji Islands Tokelau probably no unknown
1990 Fiji Islands Samoa unknown unknown
1992 Fiji Islands Niue unknown unknown
1992 Fiji Islands Tonga probably yes no
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