1 |
Amphibalanus improvisus |
1844 |
18th century |
unknown - Kaliningrad |
biofouling |
|
069779 |
2 |
Amphibalanus improvisus |
1890 |
18th century |
unknown - Stockholm |
unknown |
|
069779 |
3 |
Anguillicola crassus |
1998 |
1975-present |
East Asia - Fresh water areas of Ireland |
accidental |
yes |
074339 |
4 |
Boccardia redeki |
1963 |
1950-1974 |
North Sea - Baltic Sea |
ballast water |
|
069779 |
5 |
Branchiura sowerbyi |
1909 |
1900-1924 |
Asia - Fresh water areas of Ireland |
ornamental |
probably no |
074339 |
6 |
Branchiura sowerbyi |
1959 |
1950-1974 |
Western Pacific. - Inland waters. |
ornamental |
Unknown |
003700 |
7 |
Crangonyx pseudogracilis |
1969 |
1950-1974 |
North America - Fresh water areas of Ireland |
ornamental |
yes |
074339 |
8 |
Crangonyx pseudogracilis |
1992 |
1975-present |
North America. - Inland waters. |
fill ecological niche |
Unknown |
003700 |
9 |
Craspedacusta sowerbii |
1923 |
1900-1924 |
Northwest Pacific. - Inland waters. |
ornamental |
Unknown |
003700 |
10 |
Dactylogyrus vastator |
|
1950-1974 |
Europe - Fresh water areas of Ireland |
angling/sport |
no |
074339 |
11 |
Dreissena polymorpha |
1993 |
1975-present |
Ponto-Caspian region - Fresh and brackish waters of Ireland |
biofouling |
yes |
074339 |
12 |
Dugesia tigrina |
1931 |
1925-1949 |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
13 |
Dugesia tigrina |
2001 |
1975-present |
North America - Fresh water areas of Ireland |
ornamental |
yes |
074339 |
14 |
Ebalia ambiguus |
1987 |
1975-present |
Northern America. - Inland waters. |
fill ecological niche |
Unknown |
003700 |
15 |
Echinogammarus ischnus |
1977 |
1975-present |
Ponto-Caspian Region. - Inland waters. |
Lessepsian migration |
Unknown |
003700 |
16 |
Eriocheir sinensis |
1980 |
1975-present |
unknown - Neva Bay |
unknown |
|
111600 |
17 |
Faxonius limosus |
1890 |
18th century |
Northeast America. - Inland waters. |
fill ecological niche |
Unknown |
003700 |
18 |
Gammarus pulex |
1958 |
1950-1974 |
Europe - Fresh water areas of Ireland |
other reasons |
yes |
074339 |
19 |
Gammarus tigrinus |
1931 |
1925-1949 |
North America - Fresh water bodies of Ireland |
accidental with ships |
yes |
074339 |
20 |
Gammarus tigrinus |
1957 |
1950-1974 |
Northwest Atlantic. - Inland waters |
fill ecological niche |
Unknown |
003700 |
21 |
Gyraulus parvus |
1981 |
1975-present |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
22 |
Hemimysis anomala |
1992 |
1975-present |
Ponto-Caspian region - Gulf of Finland |
accidental |
|
069779 |
23 |
Hemimysis anomala |
1997 |
1975-present |
Ponto-Caspian Region. - Inland waters. |
Lessepsian migration |
Unknown |
003700 |
24 |
Hirudo medicinalis |
|
18th century |
Europe - Fresh water areas of Ireland |
other reasons |
no |
074339 |
25 |
Hypania invalida |
1995 |
1975-present |
Ponto-Caspian Region. - Inland waters. |
Lessepsian migration |
Unknown |
003700 |
26 |
Jaera istri |
1995 |
1975-present |
Ponto-Caspian Region. - Inland waters. |
Lessepsian migration |
Unknown |
003700 |
27 |
Limnomysis benedeni |
1997 |
1975-present |
Ponto-Caspian Region. - Inland waters. |
Lessepsian migration |
Unknown |
003700 |
28 |
Marenzelleria viridis |
1990 |
1975-present |
North America - Baltic Sea |
ballast water |
yes |
069779 |
29 |
Menetus dilatatus |
1980 |
1975-present |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
30 |
Orchestia cavimana |
1920 |
1900-1924 |
Ponto-Caspian Region. - Inland waters. |
accidental with ships |
Unknown |
003700 |
31 |
Orconectes immunis |
1997 |
1975-present |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
32 |
Pacifastacus leniusculus |
|
1975-present |
North America. - Inland waters. |
fill ecological niche |
Unknown |
003700 |
33 |
Palaemon macrodactylus |
1998 |
1975-present |
UK - Gent-Terneuzen Canal |
diffused from other countries |
|
125878 |
34 |
Pectinatella magnifica |
1883 |
18th century |
North America. - Inland waters. |
accidental with ships |
Unknown |
003700 |
35 |
Physella acuta |
1895 |
18th century |
Southwestern Europe. - Inland waters. |
ornamental |
Unknown |
003700 |
36 |
Physella acuta |
1909 |
1900-1924 |
North America - Fresh water areas of Ireland |
ornamental |
yes |
074339 |
37 |
Physella gyrina |
1995 |
1975-present |
North America - Fresh water areas of Ireland |
ornamental |
yes |
074339 |
38 |
Physella heterostropha |
1927 |
1925-1949 |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
39 |
Planorbella duryi |
|
1975-present |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
40 |
Pontastacus leptodactylus |
|
unknown |
Turkey - France |
unknown |
yes |
126939 |
41 |
Pontastacus leptodactylus |
|
1900-1924 |
Ponto-Caspian Region. - Inland waters. |
fill ecological niche |
Unknown |
003700 |
42 |
Potamopyrgus antipodarum |
|
18th century |
Australasia - Fresh and brackish water areas of Ireland |
accidental with ships |
yes |
074339 |
43 |
Potamopyrgus antipodarum |
1900 |
19th century |
New Zealand. - Inland waters. |
ballast water |
Unknown |
003700 |
44 |
Potamothrix moldaviensis |
2002 |
1975-present |
Ponto-Caspian - Fresh water areas of Ireland |
unknown |
probably yes |
074339 |
45 |
Potamothrix vejdovskyi |
2002 |
1975-present |
Ponto-Caspian - Fresh water areas of Ireland |
unknown |
probably yes |
074339 |
46 |
Proasellus coxalis |
|
1925-1949 |
Mediterranean. - Inland waters. |
Lessepsian migration |
Unknown |
003700 |
47 |
Proasellus meridianus |
|
1925-1949 |
Western Europe. - Inland Waters. |
Lessepsian migration |
Unknown |
003700 |
48 |
Procambarus clarkii |
|
1975-present |
North America. - Inland waters. |
ornamental |
Unknown |
003700 |
49 |
Urnatella gracilis |
1960 |
1950-1974 |
North America. - Inland waters. |
accidental with ships |
Unknown |
003700 |