Public domain: Introduction events' accounts (50 / 5527)
| Species |
Recipient region |
Date of the first record |
|
| Alexandrium tamarense | Australia / Bass strait | 1993 |  |
| Alexandrium tamarense | Bulgaria | 2008 | |
| Alexandrium tamarense | Denmark / Baltic Sea | 1983 | |
| Alexandrium tamarense | Denmark / North Sea | 1983 | |
| Alexandrium tamarense | Faroe Islands | To 2003 | |
| Alexandrium tamarense | France / Western Mediterranean | To 1998 | |
| Alexandrium tamarense | Germany / North Sea | To 1972 | |
| Alexandrium tamarense | Ireland | To 1986 | |
| Alexandrium tamarense | Netherlands | 1989 | |
| Alexandrium tamarense | Norway / North Sea | To 2001 | |
| Alexandrium tamarense | Romania | 2004 | |
| Alexandrium tamarense | Russia / Black Sea | 2004 | |
| Alexandrium tamarense | Turkey / Black Sea | 2007 - 2008 | |
| Alexandrium tamarense | Ukraine / Black Sea | From 2001 | |
| Alexandrium taylorii | France / Biscay Gulf | 1994 | |
| Alexandrium taylorii | France / Celtic seas | 1994 | |
| Aliculastrum cylindricum | Israel | 2002 | |
| Alitta succinea | Australia / Bass strait | 1978 | |
| Alitta succinea | Denmark / Baltic Sea | 1940 | |
| Alitta succinea | Denmark / North Sea | 1940 | |
| Alitta succinea | Germany / Baltic Sea | To 2016 | |
| Alitta succinea | United Kingdom (Britain) / North Sea | 1959 | |
| Alitta virens | Germany / Baltic Sea | 1920 | |
| Alitta virens | Germany / North Sea | 1923 | |
| Alitta virens | Netherlands | 1903 | |
| Alitta virens | United Kingdom (Britain) / Celtic seas | 1800 - 1900 | |
| Alitta virens | United Kingdom (Britain) / English Channel | 1800 - 1900 | |
| Alitta virens | United Kingdom (Britain) / North Sea | 1800 - 1900 | |
| Alkmaria romijni | Denmark / Baltic Sea | 1975 | |
| Alkmaria romijni | Denmark / North Sea | 1929 | |
| Alkmaria romijni | Netherlands | 1919 | |
| Alkmaria romijni | Norway / North Sea | To 1997 | |
| Alkmaria romijni | Russia / Baltic Sea / Kaliningrad area | 1996 | |
| Alkmaria romijni | Sweden / Baltic Sea | 1960 - 1972 | |
| Alloeocarpa loculosa | Portugal / Azores | To 1971 | |
| Allolepidapedon fistularia | Italy / Western Mediterranean | 2005 | |
| Allolepidapedon fistulariae | Israel | 2007 | |
| Alpheus dentipes | Bulgaria | 1966 | |
| Alpheus edwardsii | Israel | 1951 | |
| Alpheus lobidens | Israel | 1951 | |
| Alpheus migrans | Israel | 1977 | |
| Alpheus rapacida | Greece / Eastern Mediterranean | 1998 | |
| Alpheus rapacida | Israel | 1960 | |
| Alveinus miliaceus | Israel | 2016 | |
| Amathia distans | Australia / Bass strait | To 1999 | |
| Amathia gracilis | Germany / Baltic Sea | 1990 - 1999 | |
| Amathia gracilis | Germany / North Sea | 1990 - 1999 | |
| Amathia gracilis | Netherlands | To 1969 | |
| Amathia gracilis | United Kingdom (Britain) / Celtic seas / Channel Islands | 1960 - 1969 | |
| Amathia gracilis | United Kingdom (Britain) / English Channel | 2002 | |
