SeaLifeBase
Total introductions from: Atlantic, Northwest

n=49 | Species introduction records list
 
# Species Year Period From - To Reason Established in the wild Ref. no.
1 Acartia tonsa  1916 1900-1924 Western North Atlantic - Zuiderzee, Denmark  biofouling  Unknown 003224
2 Amphibalanus eburneus  1997 1975-present East coast of North America - Not specified  biofouling  Unknown 003512
3 Amphibalanus improvisus  1853 18th century Northwest Atlantic - San Francisco Bay, California.  accidental with ships  Unknown 007836
4 Ampithoe longimana  1949 1925-1949 Western North Atlantic - New Port Bay, California  biofouling  Unknown 003224
5 Beroe ovata  1997 1975-present Coastal waters of North America. - Northeastern Black Sea.  accidental with ships  probably yes 007407
6 Boonea bisuturalis   1925-1949 New York - San Francisco Bay  accidental   125669
7 Bugulina stolonifera  1985 1975-present Possibly from northwest Atlantic - Monterey Bay California  biofouling  Unknown 007836
8 Callinectes sapidus  1964 1950-1974 Northwest Atlantic. - North Sea.  accidental with ships  Unknown 003700
9 Clymenella torquata  2006 1975-present Northwest Atlantic - Marine waters of Ireland  aquaculture  yes 074339
10 Conopeum tenuissimum  1951 1950-1974 Northwest Atlantic - San Francisco Bay, California.  ballast water  Unknown 007836
11 Crassostrea virginica  1866 18th century Eastern part of North America. - Pearl Harbor  aquaculture  Unknown 003248
12 Crassostrea virginica  1875 18th century Northwest Atlantic - Brackish and marine waters of Ireland  aquaculture  no 074339
13 Crepidula convexa   1925-1949 New York - San Francisco Bay  accidental   125669
14 Crepidula fornicata   1925-1949 New York - Washington State  accidental   125669
15 Crepidula fornicata  1902 1900-1924 Northwest Atlantic - Brackish and marine water areas of Ireland  aquaculture  no 074339
16 Crepidula plana   1925-1949 New York - Western USA  accidental   125669
17 Ectopleura crocea  1865 18th century Northwest Atlantic. - San Diego Bay California  accidental with ships  yes 007836
18 Ensis directus  1989 1975-present Atlantic coasts of North America. - Home Beach, Norfolk.  ballast water  yes 001314
19 Eusarsiella zostericola   18th century East coast of USA - Estuaries in England  accidental  probably yes 001314
20 Faxonius limosus  1890 18th century Northeast America. - Inland waters.  fill ecological niche  Unknown 003700
21 Gammarus tigrinus  1931 1925-1949 Western North Atlantic - Britain  ballast water  Unknown 003224
22 Gammarus tigrinus  1957 1950-1974 Northwest Atlantic. - Inland waters  fill ecological niche  Unknown 003700
23 Gemma gemma   1925-1949 New York - San Francisco Bay  accidental   125669
24 Geukensia demissa   1925-1949 New York - San Francisco Bay  accidental   125669
25 Gonionemus vertens  1947 1925-1949 North America. - North Sea.  accidental with ships  Unknown 003700
26 Ilyanassa obsoleta   1925-1949 New York - Western USA  accidental   125669
27 Limulus polyphemus  1866 18th century Northwest Atlantic - North Sea  ornamental  Unknown 003700
28 Macoma balthica   1925-1949 New York - San Francisco Bay  accidental   125669
29 Magallana gigas  1965 1950-1974 Canada - Wales.  other reasons  Unknown 007794
30 Marenzelleria viridis  1983 1975-present Northwest Atlantic. - North Sea.  ballast water  Unknown 003700
31 Mercenaria mercenaria  1965 1950-1974 USA - Netherlands  other reasons  Unknown 007794
32 Mercenaria mercenaria  1969 1950-1974 Northwest Atlantic - Marine waters of Ireland  aquaculture  unknown 074339
33 Molgula manhattensis  1998 1975-present Northwest Atlantic - Marine waters of Ireland  unknown  probably yes 074339
34 Mya arenaria  1200 Pre 18th century Northwest Atlantic. - Baltic Sea.  accidental with ships  Unknown 003700
35 Mya arenaria  1500 Pre 18th century USA - Scandinavia.  aquaculture  Unknown 007794
36 Mya arenaria  1600 Pre 18th century North America including Mexico. - England.  bait  yes 001314
37 Myosotella myosotis   1925-1949 New York - Western USA  accidental   000000
38 Mytilopsis leucophaeata  1996 18th century North America including Mexico. - Cardiff Docks, Bristol Channel.  unknown  yes 000000
39 Petricola pholadiformis  1890 18th century North America. - River Crouch, Essex.  accidental  yes 001314
40 Petricola pholadiformis  1896 1925-1949 Northwest Atlantic. - North Sea.  aquaculture  Unknown 003700
41 Petricolaria pholadiformis   1925-1949 New York - Essex County  accidental   125669
42 Petricolaria pholadiformis   1925-1949 New York - Western USA  accidental   125669
43 Polydora cornuta   1950-1974 Western North Atlantic - Tampa Bay, Florida  accidental  Unknown 003224
44 Rhithropanopeus harrisii  1874 18th century Western North Atlantic - Netherlands  ballast water  Unknown 003224
45 Rhithropanopeus harrisii  1936 1925-1949 Northwest Atlantic. - Baltic Sea.  accidental with ships  Unknown 003700
46 Rhithropanopeus harrisii  1937 1925-1949 Western North Atlantic - San Frnacisco Bay, California  biofouling  Unknown 003224
47 Rhithropanopeus harrisii  1996 19th century North America - Cardiff Docks.  accidental with ships  probably yes 001314
48 Urosalpinx cinerea   1925-1949 New York - Western USA  accidental  yes 125669
49 Urosalpinx cinerea  1927 19th century North America including Mexico. - Essex.  accidental  yes 001314
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