Public domain: Introduction events' accounts (50 / 5516)
| Species |
Recipient region |
Date of the first record |
|
| Ammothea hilgendorfi | France / Western Mediterranean | 2019 |  |
| Ammothea hilgendorfi | Italy / Adriatic Sea | 1979 | |
| Ammothea hilgendorfi | Netherlands | 2013 | |
| Ammothea hilgendorfi | United Kingdom (Britain) / English Channel | 1978 | |
| Ampelisca cavicoxa | Spain / Iberian Coastal | 2005 | |
| Ampelisca heterodactyla | Portugal / Iberian Coastal | To 1986 | |
| Ampelisca heterodactyla | Spain / Iberian Coastal | 1993 | |
| Amphiascus tenuiremis | Ukraine / Black Sea | From 1996 | |
| Amphibalanus amphitrite | Belgium | To 1952 | |
| Amphibalanus amphitrite | France / Biscay Gulf | 1914 | |
| Amphibalanus amphitrite | France / English Channel | 1928 | |
| Amphibalanus amphitrite | France / North Sea | 1982 | |
| Amphibalanus amphitrite | France / Western Mediterranean | 1973 | |
| Amphibalanus amphitrite | Germany / North Sea | To 2002 | |
| Amphibalanus amphitrite | Netherlands | 1962 | |
| Amphibalanus amphitrite | Portugal / Azores | To 1889 | |
| Amphibalanus amphitrite | Portugal / Iberian Coastal | 1982 | |
| Amphibalanus amphitrite | Portugal / Madeira | 2005 | |
| Amphibalanus amphitrite | Romania | 1844 | |
| Amphibalanus amphitrite | Spain / Iberian Coastal | To 2016 | |
| Amphibalanus amphitrite | Ukraine / Black Sea | 1905 | |
| Amphibalanus eburneus | Bulgaria | 1933 | |
| Amphibalanus eburneus | France / Biscay Gulf | 1872 | |
| Amphibalanus eburneus | France / Celtic seas | 1940 | |
| Amphibalanus eburneus | France / Western Mediterranean | 1973 | |
| Amphibalanus eburneus | Greece / Eastern Mediterranean | 1970 | |
| Amphibalanus eburneus | Iran / Caspian Sea | 2014 | |
| Amphibalanus eburneus | Italy / Adriatic Sea | From 1864 | |
| Amphibalanus eburneus | Italy / Central Mediterranean | To 1864 | |
| Amphibalanus eburneus | Italy / Western Mediterranean | From 1864 | |
| Amphibalanus eburneus | Japan / Sea of Japan | 1960 - 1969 | |
| Amphibalanus eburneus | Korea, Republic of / Sea of Japan | To 1992 | |
| Amphibalanus eburneus | Netherlands | 1890 - 1899 | |
| Amphibalanus eburneus | Portugal / Azores | To 1998 | |
| Amphibalanus eburneus | Russia / Caspian Sea | 1956 | |
| Amphibalanus eburneus | Spain / Iberian Coastal | To 2016 | |
| Amphibalanus eburneus | Turkey / Black Sea | 1968 | |
| Amphibalanus eburneus | Ukraine / Black Sea | From 1892 | |
| Amphibalanus improvisus | Belgium | To 1700 | |
| Amphibalanus improvisus | Bulgaria | 1844 | |
| Amphibalanus improvisus | Denmark / Baltic Sea | 1880 | |
| Amphibalanus improvisus | Denmark / North Sea | 1880 | |
| Amphibalanus improvisus | Estonia | 1801 - 1850 | |
| Amphibalanus improvisus | Finland | 1801 - 1860 | |
| Amphibalanus improvisus | France / Biscay Gulf | To 1901 | |
| Amphibalanus improvisus | France / Celtic seas | 1872 | |
| Amphibalanus improvisus | France / English Channel | To 1900 | |
| Amphibalanus improvisus | Georgia | 1978 - 1982 | |
| Amphibalanus improvisus | Germany / Baltic Sea | 1867 | |
| Amphibalanus improvisus | Germany / North Sea | 1858 | |
