Public domain: Introduction events' accounts (50 / 5516)
| Species |
Recipient region |
Date of the first record |
|
| Mnemiopsis leidyi | Iran / Caspian Sea | From 1995 |  |
| Mnemiopsis leidyi | Israel | 2009 | |
| Mnemiopsis leidyi | Italy / Adriatic Sea | 2016 | |
| Mnemiopsis leidyi | Italy / Central Mediterranean | 2009 | |
| Mnemiopsis leidyi | Italy / Western Mediterranean | 2009 | |
| Mnemiopsis leidyi | Netherlands | 1990 - 1999 | |
| Mnemiopsis leidyi | Norway / North Sea | 2005 | |
| Mnemiopsis leidyi | Poland | 2007 | |
| Mnemiopsis leidyi | Romania | From 1989 | |
| Mnemiopsis leidyi | Russia / Baltic Sea / Kaliningrad area | 2007 | |
| Mnemiopsis leidyi | Russia / Black Sea | 1982 | |
| Mnemiopsis leidyi | Sweden / Baltic Sea | 2006 | |
| Mnemiopsis leidyi | Sweden / North Sea | 2006 | |
| Mnemiopsis leidyi | Turkey / Black Sea | From 1991 | |
| Mnemiopsis leidyi | Ukraine / Azov Sea | From 1982 | |
| Mnemiopsis leidyi | Ukraine / Black Sea | From 1982 | |
| Mnestia girardi | Greece / Eastern Mediterranean | 1994 | |
| Mnestia girardi | Israel | 2004 | |
| Modiolus auriculatus | Israel | 1935 | |
| Moerisia inkermanica | Germany / Baltic Sea | 2018 | |
| Moerisia inkermanica | Italy / Western Mediterranean | 1987 | |
| Moerisia inkermanica | Netherlands | 1959 | |
| Molgula manhattensis | Australia / Bass strait | 1967 | |
| Molgula manhattensis | Belgium | To 2018 | |
| Molgula manhattensis | Denmark / Baltic Sea | 1973 | |
| Molgula manhattensis | Denmark / North Sea | 1983 | |
| Molgula manhattensis | France / Celtic seas | 1849 | |
| Molgula manhattensis | France / English Channel | 1840 - 1849 | |
| Molgula manhattensis | France / Western Mediterranean | 1969 | |
| Molgula manhattensis | Germany / North Sea | To 2009 | |
| Molgula manhattensis | Iceland | 2018 | |
| Molgula manhattensis | Ireland | 1998 | |
| Molgula manhattensis | Netherlands | To 1762 | |
| Molgula manhattensis | Norway / Barents Sea | To 1997 | |
| Molgula manhattensis | Norway / North Sea | To 1997 | |
| Molgula manhattensis | Norway / Norwegian Sea | To 1997 | |
| Molgula manhattensis | Portugal / Iberian Coastal | 2002 - 2016 | |
| Molgula manhattensis | Romania | 1901 - 2000 | |
| Molgula manhattensis | Sweden / North Sea | 2002 | |
| Molgula manhattensis | United Kingdom (Britain) / North Sea / Orkney Islands | 1995 | |
| Molgula plana | Portugal / Azores | To 1969 | |
| Molva sp. | Ukraine / Black Sea | 2006 | |
| Monocorophium acherusicum | Australia / Bass strait | 1968 | |
| Monocorophium acherusicum | France / North Sea | 1965 | |
| Monocorophium acherusicum | Ireland | To 2007 | |
| Monocorophium acherusicum | Spain / Iberian Coastal | To 1990 | |
| Monocorophium acherusicum | United Kingdom (Britain) / Celtic seas | 1950 - 1959 | |
| Monocorophium acherusicum | United Kingdom (Britain) / North Sea | 1997 | |
| Monocorophium acherusicum | United Kingdom (Britain) / North Sea / Orkney Islands | To 1997 | |
| Monocorophium insidiosum | Australia / Bass strait | 1996 | |
