Public domain: Introduction events' accounts (50 / 5516)
| Species |
Recipient region |
Date of the first record |
|
| Sabia conica | Israel | 1980 |  |
| Saccharina japonica | France / Western Mediterranean | 1976 | |
| Saccharina japonica | Germany / North Sea | To 1980 | |
| Saccostrea glomerata | Italy / Adriatic Sea | 1984 | |
| Saduria entomon | Ukraine / Black Sea | 2009 | |
| Salmo salar | Turkey / Black Sea | 1992 | |
| Salpingella decurtata | Romania | 2012 | |
| Salpingella decurtata | Ukraine / Black Sea | 2002 | |
| Salpingella sp. | Ukraine / Black Sea | From 2002 | |
| Salvelinus fontinalis | Denmark / Baltic Sea | 1916 | |
| Salvelinus fontinalis | Denmark / North Sea | 1916 | |
| Salvelinus fontinalis | Finland | 1890 - 1899 | |
| Salvelinus fontinalis | Sweden / Baltic Sea | 1892 | |
| Salvelinus namaycush | Finland | 1960 - 1969 | |
| Salvelinus namaycush | Sweden / Baltic Sea | 1958 | |
| Sander lucioperca | Portugal / Azores | To 2004 | |
| Sarcodiotheca gaudichaudii | United Kingdom (Britain) / English Channel | 1974 | |
| Sarconema filiforme | Israel | 1945 | |
| Sarconema scinaioides | Greece / Eastern Mediterranean | 1980 | |
| Sardinella aurita | Bulgaria | 1980 - 1989 | |
| Sardinella aurita | Georgia | 1937 | |
| Sardinella aurita | Romania | 1980 - 1989 | |
| Sardinella aurita | Russia / Black Sea | 1980 - 1989 | |
| Sardinella aurita | Turkey / Black Sea | 1997 | |
| Sardinella aurita | Ukraine / Black Sea | From 1999 | |
| Sardinella gibbosa | Israel | 2008 | |
| Sargassum hornschuchii | Turkey / Black Sea | 1990 - 1999 | |
| Sargassum muticum | Belgium | 1999 | |
| Sargassum muticum | Denmark / Baltic Sea | 1984 | |
| Sargassum muticum | Denmark / North Sea | 1984 | |
| Sargassum muticum | France / Biscay Gulf | 1975 | |
| Sargassum muticum | France / Celtic seas | 1976 | |
| Sargassum muticum | France / English Channel | 1975 | |
| Sargassum muticum | France / North Sea | 1979 | |
| Sargassum muticum | France / Western Mediterranean | 1980 | |
| Sargassum muticum | Germany / North Sea | 1988 | |
| Sargassum muticum | Ireland | To 1995 | |
| Sargassum muticum | Italy / Adriatic Sea | 1992 | |
| Sargassum muticum | Netherlands | 1977 | |
| Sargassum muticum | Norway / North Sea | 1988 | |
| Sargassum muticum | Portugal / Iberian Coastal | 1989 | |
| Sargassum muticum | Spain / Iberian Coastal | 1985 | |
| Sargassum muticum | Sweden / Baltic Sea | To 2005 | |
| Sargassum muticum | Sweden / North Sea | 1985 | |
| Sargassum muticum | United Kingdom (Britain) / Celtic seas | 1971 | |
| Sargassum muticum | United Kingdom (Britain) / English Channel | 1971 | |
| Sargassum muticum | United Kingdom (Britain) / North Sea | 1981 | |
| Sargassum muticum | United Kingdom (Britain) / North Sea / Orkney Islands | To 2015 | |
| Sargocentron rubrum | Greece / Central Mediterranean | 2017 | |
| Sargocentron rubrum | Greece / Eastern Mediterranean | 1947 | |
