| Species |
Recipient region |
Date of the first record |
|
| Echinogammarus ischnus | Germany / Baltic Sea | 2020 |  |
| Echinogammarus ischnus | Germany / North Sea | To 1977 | |
| Echinogammarus trichiatus | Belgium | To 2009 | |
| Echinogammarus trichiatus | Germany / Baltic Sea | 2014 | |
| Ecteinascidia styeloides | France / Western Mediterranean | 1987 | |
| Ecteinascidia thurstoni | Israel | 2004 | |
| Ecteinascidia turbinata | Greece / Eastern Mediterranean | 1973 - 1983 | |
| Ectocarpus caspicus | Ukraine / Black Sea | From 1980 | |
| Ectocarpus fasciculatus | Australia / Bass strait | 1971 | |
| Ectocarpus siliculosus | Australia / Bass strait | 1966 | |
| Ectopleura crocea | Australia / Bass strait | 1884 | |
| Ectopleura crocea | Portugal / Azores | To 1989 | |
| Ectopleura crocea | Portugal / Madeira | To 1995 | |
| Edwardsia claparedii | Netherlands | To 1917 | |
| Edwardsiella lineata | Sweden / North Sea | 2007 - 2012 | |
| Eichhornia crassipes | Portugal / Iberian Coastal | 1936 | |
| Elachista sp. | Netherlands | 1993 | |
| Elasmopus pectenicrus | Italy / Adriatic Sea | 1980 | |
| Elasmopus pectenicrus | Italy / Central Mediterranean | 2001 | |
| Elates ransonnettii | Italy / Central Mediterranean | 2005 | |
| Electra pilosa | Australia / Bass strait | 1860 - 1869 | |
| Electra pilosa | Spain / Canary Islands | To 2003 | |
| Elodea canadensis | Estonia | 1900 - 1929 | |
| Elodea canadensis | Finland | 1870 - 1879 | |
| Elodea canadensis | Latvia | 1872 | |
| Elodea canadensis | Lithuania | 1884 | |
| Elodea canadensis | Norway / North Sea | 1925 | |
| Elodea canadensis | Norway / Norwegian Sea | To 2012 | |
| Elodea canadensis | Poland | 1866 | |
| Elodea canadensis | Russia / Baltic Sea / Kaliningrad area | 1884 | |
| Elodea canadensis | Russia / Baltic Sea / St. Petersburg area | 1881 - 1892 | |
| Elodea canadensis | Sweden / Baltic Sea | 1873 | |
| Elodea nuttallii | Belgium | 1939 | |
| Elodea nuttallii | France / North Sea | 1950 - 1959 | |
| Elodea nuttallii | Germany / North Sea | 1953 | |
| Elodea nuttallii | Ireland | 1974 | |
| Elodea nuttallii | Netherlands | 1941 | |
| Elodea nuttallii | Norway / North Sea | 2006 | |
| Elodea nuttallii | Poland | 2010 | |
| Elodea nuttallii | Sweden / Baltic Sea | 1991 | |
| Elodea nuttallii | United Kingdom (Britain) / North Sea | 1914 | |
| Elysia grandifolia | Israel | 2005 | |
| Emiliania huxleyi | Denmark / Baltic Sea | 1989 | |
| Emiliania huxleyi | Denmark / North Sea | 1989 | |
| Encrasicholina gloria | Israel | 2009 | |
| Endarachne binghamiae | Portugal / Azores | To 1985 | |
| Endeis biseriata | Italy / Western Mediterranean | 1979 - 1980 | |
| Engina mendicaria | Israel | 2001 | |
| Ensiculus cultellus | Israel | 2008 | |
| Ensis leei | Belgium | 1986 | |
| Ensis leei | Denmark / Baltic Sea | 1984 | |
| Ensis leei | Denmark / North Sea | 1981 | |
| Ensis leei | France / Biscay Gulf | 1991 | |
| Ensis leei | France / Celtic seas | 1991 | |
| Ensis leei | France / English Channel | 1992 | |
| Ensis leei | France / North Sea | 1991 | |
| Ensis leei | Germany / Baltic Sea | 1991 | |
| Ensis leei | Germany / North Sea | 1979 | |
| Ensis leei | Ireland | 2021 | |
| Ensis leei | Netherlands | 1981 | |
| Ensis leei | Norway / North Sea | 1989 | |
| Ensis leei | Spain / Iberian Coastal | 2011 | |
| Ensis leei | Sweden / North Sea | 1982 - 1986 | |
| Ensis leei | United Kingdom (Britain) / English Channel | 1989 | |
| Ensis leei | United Kingdom (Britain) / North Sea | 1989 | |
| Ensis terranovensis | Iceland | 2019 | |
| Eocuma dimorphum | Spain / Iberian Coastal | To 1999 | |
| Eocuma rosae | Israel | 2005 | |
| Eocuma sarsii | Israel | 2009 | |
| Epinephelus areolatus | Israel | 2015 | |
| Epinephelus caninus | Ukraine / Black Sea | 2013 | |
| Epinephelus chlorostigma | Israel | 2015 | |
| Epinephelus coioides | Israel | 1966 | |
| Epinephelus coioides | Italy / Adriatic Sea | 1998 | |
| Epinephelus fasciatus | Israel | 2013 | |
| Epinephelus malabaricus | Israel | 1966 | |
| Epitonium vaillanti | Israel | 2015 | |
| Equulites klunzingeri | Greece / Eastern Mediterranean | 1946 - 1964 | |
| Equulites klunzingeri | Israel | 1924 | |
| Equulites popei | Israel | 2011 | |
| Ercolania viridis | Ukraine / Black Sea | From 2001 | |
| Ergalatax contracta | Israel | 2001 | |
| Ergalatax junionae | Greece / Eastern Mediterranean | 2007 | |
| Ergalatax junionae | Israel | 2004 | |
| Ericthonius didymus | France / Biscay Gulf | 2013 | |
| Ericthonius didymus | France / Western Mediterranean | 2015 | |
| Ericthonius didymus | Italy / Adriatic Sea | 2000 - 2005 | |
| Eriocheir japonica | Belgium | To 1998 | |
| Eriocheir japonica | Germany / North Sea | To 2015 | |
| Eriocheir japonica | Netherlands | To 2015 | |
| Eriocheir japonica | Poland | 2015 | |
| Eriocheir sinensis | Belgium | 1933 | |
| Eriocheir sinensis | Denmark / Baltic Sea | 1935 | |
| Eriocheir sinensis | Denmark / North Sea | 1927 | |
| Eriocheir sinensis | Estonia | 1933 | |
| Eriocheir sinensis | Finland | 1933 | |
| Eriocheir sinensis | France / Biscay Gulf | 1930 | |
| Eriocheir sinensis | France / Celtic seas | 1930 | |
| Eriocheir sinensis | France / English Channel | 1930 | |
| Eriocheir sinensis | France / North Sea | 1930 | |
| Eriocheir sinensis | France / Western Mediterranean | 1959 | |
| Eriocheir sinensis | Germany / Baltic Sea | 1921 - 1929 | |
| Eriocheir sinensis | Germany / North Sea | 1912 | |
| Eriocheir sinensis | Ireland | 2006 | |
| Eriocheir sinensis | Italy / Adriatic Sea | 2005 | |
| Eriocheir sinensis | Latvia | 1932 | |
| Eriocheir sinensis | Lithuania | 1935 | |
| Eriocheir sinensis | Netherlands | 1930 | |
| Eriocheir sinensis | Norway / North Sea | 1976 | |
| Eriocheir sinensis | Poland | 1928 | |
| Eriocheir sinensis | Portugal / Iberian Coastal | 1988 | |
| Eriocheir sinensis | Romania | 1934 | |
| Eriocheir sinensis | Russia / Baltic Sea / Kaliningrad area | 1930 - 1933 | |
| Eriocheir sinensis | Russia / Baltic Sea / St. Petersburg area | 1930 - 1933 | |
| Eriocheir sinensis | Russia / White Sea | To 2010 | |
| Eriocheir sinensis | Spain / Iberian Coastal | 1997 | |
| Eriocheir sinensis | Sweden / Baltic Sea | 1932 | |
| Eriocheir sinensis | Sweden / North Sea | 1936 | |
| Eriocheir sinensis | Ukraine / Black Sea | 1998 - 2002 | |
| Eriocheir sinensis | United Kingdom (Britain) / Celtic seas | 1935 | |
| Eriocheir sinensis | United Kingdom (Britain) / English Channel | 1935 | |
| Eriocheir sinensis | United Kingdom (Britain) / North Sea | 1935 | |
| Eriphia verrucosa | France / English Channel | 1968 | |
| Erugosquilla massavensis | Greece / Central Mediterranean | 2017 | |
| Erugosquilla massavensis | Greece / Eastern Mediterranean | 1963 | |
| Erugosquilla massavensis | Israel | 1936 | |
| Erugosquilla massavensis | Italy / Central Mediterranean | 2017 | |
| Ervilia scaliola | Israel | 2016 | |
| Erythrocladia irregularis | Bulgaria | 1990 - 1999 | |
| Erythrotrichia carnea | Australia / Bass strait | 1994 | |
| Escharina vulgaris | Spain / Canary Islands | To 2003 | |
| Escharina vulgaris | Sweden / North Sea | To 2006 | |
| Ethmodiscus punctiger | Belgium | 1993 | |
| Ethmodiscus punctiger | Denmark / Baltic Sea | 1901 | |
| Ethmodiscus punctiger | Denmark / North Sea | 1901 | |
| Ethmodiscus punctiger | France / Biscay Gulf | 1978 | |
| Ethmodiscus punctiger | France / Celtic seas | | |
| Ethmodiscus punctiger | France / English Channel | 1978 | |
| Ethmodiscus punctiger | France / North Sea | 1978 | |
| Ethmodiscus punctiger | Germany / Baltic Sea | 1983 | |
| Ethmodiscus punctiger | Germany / North Sea | 1979 | |
| Ethmodiscus punctiger | Netherlands | 1981 | |
| Ethmodiscus punctiger | Norway / North Sea | 1979 | |
| Ethmodiscus punctiger | Sweden / Baltic Sea | 1990 | |
| Ethmodiscus punctiger | Sweden / North Sea | 1979 | |
| Ethmodiscus punctiger | United Kingdom (Britain) / English Channel | 1978 | |
| Etrumeus golani | Italy / Central Mediterranean | 2005 | |
| Etrumeus golanii | Greece / Eastern Mediterranean | 1999 | |
| Etrumeus golanii | Israel | 1961 | |
| Eucampia cornuta | France / Celtic seas | 2003 | |
| Eucampia cornuta | France / English Channel | 2003 | |
| Eucampia cornuta | United Kingdom (Britain) / English Channel | From 2003 | |
| Eucheilota menoni | Belgium | To 2012 | |
| Eucheilota menoni | France / Biscay Gulf | 2009 | |
| Eucheilota menoni | France / English Channel | To 2007 | |
| Eucheilota menoni | France / North Sea | 2007 | |
| Eucheilota menoni | Spain / Iberian Coastal | 2008 | |
| Eucheilota paradoxica | France / Western Mediterranean | 1977 | |
| Euchone incolor | Portugal / Iberian Coastal | To 2017 | |
| Euchone incolor | Spain / Iberian Coastal | To 2017 | |
| Euchone limnicola | Australia / Bass strait | 1984 | |
| Euchone limnicola | France / English Channel | 2016 | |
| Euchone limnicola | France / North Sea | 2015 | |
| Eucrate crenata | Israel | 1994 | |
| Eudendrium capillare | Ukraine / Black Sea | From 1990 | |
| Eudendrium carneum | Italy / Central Mediterranean | To 2015 | |
| Eudendrium carneum | Italy / Western Mediterranean | 1985 | |
| Eudendrium merulum | Italy / Central Mediterranean | 1984 | |
| Eudendrium merulum | Italy / Western Mediterranean | To 1991 | |
| Eudendrium vaginatum | Ukraine / Black Sea | From 1990 | |
| Eudistoma angolanum | Portugal / Azores | To 1971 | |
| Eudistoma angolanum | Portugal / Madeira | To 1974 | |
| Eunaticina papilla | Israel | 2017 | |
| Eunice tubifex | Israel | 1974 | |
| Euplana gracilis | Netherlands | 2002 | |
| Euplokamis dunlapae | Sweden / North Sea | 2011 | |
| Euryte longicauda | Bulgaria | 2000 | |
| Eurytemora americana | Belgium | 1938 | |
| Eurytemora americana | France / English Channel | 1977 | |
| Eurytemora americana | France / North Sea | 1977 | |
| Eurytemora americana | Iceland | 1940 | |
| Eurytemora americana | Netherlands | To 1963 | |
| Eurytemora americana | United Kingdom (Britain) / English Channel | 1931 | |
| Eurytemora carolleeae | Germany / Baltic Sea | 2012 | |
| Eurytemora carolleeae | Latvia | 2008 | |
| Eurytemora carolleeae | Netherlands | 2011 | |
| Eurytemora carolleeae | Poland | 2019 | |
| Eurytemora carolleeae | Russia / Baltic Sea | 2004 | |
| Eurytemora pacifica | France / Biscay Gulf | 2014 | |
| Eurytemora pacifica | France / Celtic seas | 1985 | |
| Eusarsiella zostericola | Netherlands | 2012 | |
| Eusarsiella zostericola | United Kingdom (Britain) / English Channel | 1870 | |
| Eusarsiella zostericola | United Kingdom (Britain) / North Sea | 1870 - 1940 | |
| Euthymella colzumensis | Greece / Eastern Mediterranean | 2017 | |
| Euthymonacha polita | Greece / Eastern Mediterranean | 2012 | |
| Eutintinnus apertus | Ukraine / Black Sea | From 2002 | |
| Eutintinnus hastae | Ukraine / Black Sea | From 2002 | |
| Eutintinnus lususundae | Bulgaria | 2001 | |
| Eutintinnus lususundae | Romania | 2001 | |
| Eutintinnus lususundae | Russia / Black Sea | 2001 | |
| Eutintinnus lususundae | Turkey / Black Sea | 2001 | |
| Eutintinnus lususundae | Ukraine / Black Sea | From 2001 | |
| Eutintinnus tubulosus | Russia / Black Sea | 2001 | |
| Eutintinnus tubulosus | Ukraine / Black Sea | From 2001 | |
| Evadne anonyx | Estonia | 1999 | |
| Evadne anonyx | Finland | 1998 | |
| Evadne anonyx | Germany / Baltic Sea | 2014 | |
| Evadne anonyx | Latvia | 2000 - 2001 | |
| Evadne anonyx | Lithuania | 2011 | |
| Evadne anonyx | Poland | 2006 | |
| Evadne anonyx | Russia / Baltic Sea / Kaliningrad area | 2007 | |
| Evadne anonyx | Russia / Baltic Sea / St. Petersburg area | 2000 | |
| Evadne anonyx | Sweden / Baltic Sea | 2008 | |
| Evelineus mcintoshii | Israel | 2014 | |
