Public domain: Introduction events' accounts (50 / 5516)
| Species |
Recipient region |
Date of the first record |
|
| Hillea fusiformis | Ukraine / Black Sea | From 1948 |  |
| Himantura uarnak | Israel | 1954 | |
| Hincksia granulosa | Australia / Bass strait | 1971 | |
| Hincksia ovata | Australia / Bass strait | 1971 | |
| Hincksia sandriana | Australia / Bass strait | 1971 | |
| Hippocampus kuda | Israel | 1994 | |
| Hippopodina iririkiensis | Israel | 1966 | |
| Hippothoa divaricata | Australia / Bass strait | 1971 | |
| Hobaniella longicruris | Netherlands | To 2009 | |
| Holocentrus adscensionis | France / Western Mediterranean | 2019 | |
| Homarus americanus | Denmark / Baltic Sea | 2006 | |
| Homarus americanus | Denmark / North Sea | 2006 | |
| Homarus americanus | France / Biscay Gulf | 2002 | |
| Homarus americanus | France / Celtic seas | 2002 | |
| Homarus americanus | France / English Channel | To 2005 | |
| Homarus americanus | Germany / Baltic Sea | 2014 | |
| Homarus americanus | Iceland | 1965 | |
| Homarus americanus | Ireland | 1961 | |
| Homarus americanus | Netherlands | 2010 | |
| Homarus americanus | Norway / North Sea | 1999 | |
| Homarus americanus | Norway / Norwegian Sea | To 2012 | |
| Homarus americanus | Sweden / North Sea | 2008 | |
| Homarus americanus | United Kingdom (Britain) / North Sea | 2004 | |
| Huso huso | Denmark / Baltic Sea | 2010 | |
| Huso huso | Estonia | 1962 | |
| Huso huso | Latvia | 1962 | |
| Hyastenus hilgendorfi | Israel | 1960 | |
| Hydroides brachyacantha | Greece / Eastern Mediterranean | 2015 | |
| Hydroides brachyacantha | Israel | 1933 | |
| Hydroides dianthus | France / Biscay Gulf | 1927 | |
| Hydroides dianthus | France / Celtic seas | 1927 | |
| Hydroides dianthus | France / North Sea | 2000 | |
| Hydroides dianthus | France / Western Mediterranean | 1967 | |
| Hydroides dianthus | Italy / Adriatic Sea | 1874 | |
| Hydroides dianthus | Italy / Central Mediterranean | To 1899 | |
| Hydroides dianthus | Italy / Western Mediterranean | 1865 | |
| Hydroides dianthus | Ukraine / Black Sea | 2009 | |
| Hydroides dianthus | United Kingdom (Britain) / English Channel | 1970 | |
| Hydroides dirampha | France / Western Mediterranean | 2019 | |
| Hydroides dirampha | Greece / Central Mediterranean | 1981 | |
| Hydroides dirampha | Greece / Eastern Mediterranean | 2014 | |
| Hydroides dirampha | Israel | 1937 | |
| Hydroides dirampha | Italy / Adriatic Sea | 2014 | |
| Hydroides dirampha | Italy / Central Mediterranean | 1979 | |
| Hydroides dirampha | Italy / Western Mediterranean | 1870 | |
| Hydroides elegans | France / Western Mediterranean | To 1944 | |
| Hydroides elegans | Greece / Central Mediterranean | 2012 | |
| Hydroides elegans | Greece / Eastern Mediterranean | 1976 | |
| Hydroides elegans | Israel | 1955 | |
| Hydroides elegans | Italy / Adriatic Sea | 1934 - 1938 | |
