Public domain: Introduction events' accounts (50 / 5528)
| Species |
Recipient region |
Date of the first record |
|
| Stephanolepis diaspros | Italy / Central Mediterranean | 1967 |  |
| Stephanolepis diaspros | Italy / Western Mediterranean | 1983 | |
| Stephanopyxis palmeriana | Belgium | To 2006 | |
| Stephanopyxis palmeriana | Germany / North Sea | 1990 | |
| Stephanopyxis palmeriana | Netherlands | To 2006 | |
| Stephanopyxis palmeriana | Sweden / North Sea | To 2006 | |
| Stephanopyxis turris | Iceland | 1997 | |
| Stephos cryptospinosus | France / Biscay Gulf | 2010 | |
| Stephos marsalensis | France / Biscay Gulf | To 2014 | |
| Sternaspis scutata | United Kingdom (Britain) / English Channel | 1986 | |
| Sternodromia spinirostris | Italy / Central Mediterranean | 1969 - 1972 | |
| Sticteulima lentiginosa | Israel | 2004 | |
| Stictyosiphon soriferus | Australia / Bass strait | 1969 | |
| Stolephorus indicus | Israel | 2015 | |
| Stolephorus insularis | Israel | 2009 | |
| Stramonita haemastoma | France / English Channel | 2018 | |
| Stratiotes aloides | Ireland | From 1836 | |
| Streblosoma pseudocomatus | Italy / Western Mediterranean | 1981 | |
| Streblospio benedicti | Denmark / North Sea | To 2017 | |
| Streblospio benedicti | France / Biscay Gulf | 1982 | |
| Streblospio benedicti | France / Celtic seas | 1982 | |
| Streblospio benedicti | France / English Channel | 2009 | |
| Streblospio benedicti | France / North Sea | 2009 | |
| Streblospio benedicti | Germany / North Sea | To 2006 | |
| Streblospio benedicti | Netherlands | To 2006 | |
| Streblospio benedicti | Russia / Baltic Sea / Kaliningrad area | 1997 | |
| Streblospio eridani | Italy / Adriatic Sea | 2016 - 2017 | |
| Streblospio gynobranchiata | Romania | 2011 | |
| Streblospio gynobranchiata | Russia / Black Sea | 2001 | |
| Streptosyllis varians | Bulgaria | 1966 | |
| Strongylocentrotus intermedius | China / Yellow Sea | To 2001 | |
| Styela canopus | France / Western Mediterranean | 2019 | |
| Styela canopus | Portugal / Iberian Coastal | 2015 | |
| Styela canopus | Portugal / Madeira | 2006 | |
| Styela clava | Australia / Bass strait | 1976 | |
| Styela clava | Belgium | To 1986 | |
| Styela clava | Canada / South-eastern Scotian Shelf | 2012 | |
| Styela clava | Canada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf | 1998 | |
| Styela clava | Denmark / Baltic Sea | 1981 | |
| Styela clava | Denmark / North Sea | 1981 | |
| Styela clava | France / Biscay Gulf | 1979 | |
| Styela clava | France / Celtic seas | 1968 | |
| Styela clava | France / English Channel | 1968 | |
| Styela clava | France / North Sea | 1970 | |
| Styela clava | France / Western Mediterranean | 2004 | |
| Styela clava | Germany / Baltic Sea | 2017 | |
| Styela clava | Germany / North Sea | 1997 | |
| Styela clava | Ireland | To 1971 | |
| Styela clava | Italy / Adriatic Sea | 2021 | |
| Styela clava | Netherlands | 1974 | |
