Species | Recipient region | Date of the first record | |
---|
Acartia (Acanthacartia) tonsa | United Kingdom (Britain) / English Channel | 1956 | |
Acartia (Acanthacartia) tonsa | United Kingdom (Britain) / North Sea | 1956 - 1986 | |
Aerococcus viridans | United Kingdom (Britain) / Celtic seas | 1985 | |
Aglaothamnion feldmanniae | United Kingdom (Britain) / English Channel | | |
Alitta succinea | United Kingdom (Britain) / North Sea | 1959 | |
Alitta virens | United Kingdom (Britain) / English Channel | 1800 - 1900 | |
Alitta virens | United Kingdom (Britain) / North Sea | 1800 - 1900 | |
Alitta virens | United Kingdom (Britain) / Celtic seas | 1800 - 1900 | |
Amathia gracilis | United Kingdom (Britain) / English Channel | 2002 | |
Amathia gracilis | United Kingdom (Britain) / North Sea | To 1996 | |
Amathia gracilis | United Kingdom (Britain) / Celtic seas / Channel Islands | 1960 - 1969 | |
Ammothea hilgendorfi | United Kingdom (Britain) / English Channel | 1978 | |
Amphibalanus improvisus | United Kingdom (Britain) / North Sea | 1500 - 1854 | |
Amphibalanus improvisus | United Kingdom (Britain) / Celtic seas | 1854 | |
Anguillicoloides crassus | United Kingdom (Britain) / North Sea | 1987 | |
Anguillicoloides crassus | United Kingdom (Britain) / English Channel | From 1987 | |
Antithamnionella spirographidis | United Kingdom (Britain) / English Channel | To 1911 | |
Antithamnionella ternifolia | United Kingdom (Britain) / English Channel | To 1906 | |
Asparagopsis armata | United Kingdom (Britain) / Celtic seas / Channel Islands | 1949 | |
Asparagopsis armata | United Kingdom (Britain) / North Sea | 1973 | |
Asparagopsis armata | United Kingdom (Britain) / North Sea / Orkney Islands | From 1960 | |
Asparagopsis armata | United Kingdom (Britain) / English Channel | 1949 - 1950 | |
Asterocarpa humilis | United Kingdom (Britain) / North Sea / Orkney Islands | 2014 | |
Asterocarpa humilis | United Kingdom (Britain) / Celtic seas | 2013 | |
Atherina boyeri | United Kingdom (Britain) / Celtic seas | 1956 | |
Atrina rigida | United Kingdom (Britain) / English Channel | 1986 | |
Attheya armata | United Kingdom (Britain) / Celtic seas | 2000 | |
Austrominius modestus | United Kingdom (Britain) / North Sea | From 1945 | |
Austrominius modestus | United Kingdom (Britain) / English Channel | 1940 - 1945 | |
Balanus amphitrite | United Kingdom (Britain) / English Channel | From 1937 | |
Balanus trigonus | United Kingdom (Britain) / English Channel | 1986 | |
Boccardia proboscidea | United Kingdom (Britain) / North Sea / Orkney Islands | 2014 | |
Bonamia ostreae | United Kingdom (Britain) / Celtic seas / Channel Islands | From 1982 | |
Bonamia ostreae | United Kingdom (Britain) / English Channel | 1982 | |
Bonamia ostreae | United Kingdom (Britain) / North Sea | 1982 - 1983 | |
Bonnemaisonia hamifera | United Kingdom (Britain) / North Sea | 1893 - 1986 | |
Bonnemaisonia hamifera | United Kingdom (Britain) / Celtic seas / Channel Islands | From 1890 | |
Bonnemaisonia hamifera | United Kingdom (Britain) / English Channel | From 1890 | |
Botrylloides violaceus | United Kingdom (Britain) / Celtic seas / Channel Islands | From 2004 | |
Botrylloides violaceus | United Kingdom (Britain) / English Channel | 2004 | |
Brachidontes exustus | United Kingdom (Britain) / Celtic seas | 1977 | |
Bugula neritina | United Kingdom (Britain) / Celtic seas | To 1912 | |
Bugula neritina | United Kingdom (Britain) / English Channel | To 1912 | |
Bugulina fulva | United Kingdom (Britain) / North Sea / Orkney Islands | 2012 | |
Bugulina simplex | United Kingdom (Britain) / Celtic seas | 1957 | |
Bugulina simplex | United Kingdom (Britain) / North Sea / Orkney Islands | 2014 | |
Bugulina stolonifera | United Kingdom (Britain) / North Sea | To 2005 | |
Bugulina stolonifera | United Kingdom (Britain) / Celtic seas | 1950 - 1959 | |
Bugulina stolonifera | United Kingdom (Britain) / English Channel | 1950 - 1959 | |
Callinectes sapidus | United Kingdom (Britain) / North Sea | 1982 | |
Calyptraea chinensis | United Kingdom (Britain) / Celtic seas | 1957 | |
Caprella mutica | United Kingdom (Britain) / Celtic seas | 2000 | |
Caprella mutica | United Kingdom (Britain) / English Channel | 2000 | |
Caprella mutica | United Kingdom (Britain) / North Sea | 2002 | |
Caulacanthus ustulatus | United Kingdom (Britain) / English Channel | 2004 | |
Chalinula loosanoffi | United Kingdom (Britain) / English Channel | From 1970 | |
Chalinula loosanoffi | United Kingdom (Britain) / North Sea | From 1970 | |
Clymenella torquata | United Kingdom (Britain) / North Sea | 1936 | |
Codium fragile subsp. fragile | United Kingdom (Britain) / English Channel | 1891 | |
Codium fragile subsp. fragile | United Kingdom (Britain) / Celtic seas | 1891 | |
Codium fragile subsp. fragile | United Kingdom (Britain) / North Sea / Orkney Islands | From 1960 | |
Colpomenia peregrina | United Kingdom (Britain) / English Channel | 1907 | |
Colpomenia peregrina | United Kingdom (Britain) / Celtic seas | 1907 | |
Colpomenia peregrina | United Kingdom (Britain) / North Sea | 1908 - 1930 | |
Corbicula fluminea | United Kingdom (Britain) / North Sea | 1998 | |
Cordylophora caspia | United Kingdom (Britain) / English Channel | | |
Cordylophora caspia | United Kingdom (Britain) / North Sea | | |
Cordylophora caspia | United Kingdom (Britain) / Celtic seas | | |
Corella eumyota | United Kingdom (Britain) / Celtic seas | 2004 | |
Corella eumyota | United Kingdom (Britain) / English Channel | 2004 | |
Corella eumyota | United Kingdom (Britain) / North Sea | 2009 - 2013 | |
Coscinodiscus wailesii | United Kingdom (Britain) / Celtic seas | 1977 | |
Coscinodiscus wailesii | United Kingdom (Britain) / English Channel | 1977 | |
Crassostrea rhizophorae | United Kingdom (Britain) / Celtic seas | 1981 | |
Crassostrea virginica | United Kingdom (Britain) / North Sea | 1872 | |
Crepidula fornicata | United Kingdom (Britain) / North Sea | 1887 - 1890 | |
Crepidula fornicata | United Kingdom (Britain) / Celtic seas | 1872 | |
Crepidula fornicata | United Kingdom (Britain) / English Channel | 1872 | |
Cryptonemia hibernica | United Kingdom (Britain) / English Channel | 2000 | |
Cryptonemia lomation | United Kingdom (Britain) / Celtic seas | 1983 | |
Ctenodrilus serratus | United Kingdom (Britain) / North Sea / Orkney Islands | 2015 | |
Dasysiphonia japonica | United Kingdom (Britain) / English Channel | 2004 | |
Dasysiphonia japonica | United Kingdom (Britain) / Celtic seas | 2004 | |
Dasysiphonia japonica | United Kingdom (Britain) / North Sea | 2004 | |
Desdemona ornata | United Kingdom (Britain) / English Channel | 1997 | |
Diadumene lineata | United Kingdom (Britain) / English Channel | 1899 | |
Didemnum vexillum | United Kingdom (Britain) / English Channel | 2005 | |
Didemnum vexillum | United Kingdom (Britain) / Celtic seas | 2005 | |
Dreissena polymorpha | United Kingdom (Britain) / Celtic seas | 1824 | |
Dreissena polymorpha | United Kingdom (Britain) / North Sea | 1824 | |
Dyspanopeus sayi | United Kingdom (Britain) / Celtic seas | 1950 - 1959 | |
Ensis leei | United Kingdom (Britain) / North Sea | 1989 | |
Ensis leei | United Kingdom (Britain) / English Channel | 1989 | |
Eriocheir sinensis | United Kingdom (Britain) / Celtic seas | 1935 | |
Eriocheir sinensis | United Kingdom (Britain) / English Channel | 1935 | |
Eriocheir sinensis | United Kingdom (Britain) / North Sea | 1935 | |
Ethmodiscus punctiger | United Kingdom (Britain) / English Channel | 1978 | |
Eucampia cornuta | United Kingdom (Britain) / English Channel | From 2003 | |
Eurytemora americana | United Kingdom (Britain) / English Channel | 1931 | |
Eusarsiella zostericola | United Kingdom (Britain) / English Channel | 1870 | |
Eusarsiella zostericola | United Kingdom (Britain) / North Sea | 1870 - 1940 | |
Fenestrulina delicia | United Kingdom (Britain) / North Sea / Orkney Islands | 2018 | |
Ficopomatus enigmaticus | United Kingdom (Britain) / English Channel | To 1937 | |
Ficopomatus enigmaticus | United Kingdom (Britain) / North Sea | 1922 | |
Ficopomatus enigmaticus | United Kingdom (Britain) / Celtic seas / Channel Islands | To 1952 | |
Fucus distichus | United Kingdom (Britain) / North Sea | 1980 | |
Fucus distichus | United Kingdom (Britain) / Celtic seas | 1980 | |
Goniadella gracilis | United Kingdom (Britain) / North Sea / Orkney Islands | 2018 | |
Goniadella gracilis | United Kingdom (Britain) / Celtic seas | 1970 | |
Gonionemus vertens | United Kingdom (Britain) / Celtic seas / Channel Islands | 1924 | |
Gonionemus vertens | United Kingdom (Britain) / English Channel | To 1963 | |
Gonionemus vertens | United Kingdom (Britain) / North Sea | 1913 | |
Grandidierella japonica | United Kingdom (Britain) / English Channel | 1997 | |
Grandidierella japonica | United Kingdom (Britain) / North Sea | 2004 - 2005 | |
Grateloupia luxurians | United Kingdom (Britain) / English Channel | To 1947 | |
Grateloupia subpectinata | United Kingdom (Britain) / Celtic seas / Channel Islands | 1947 | |
Grateloupia turuturu | United Kingdom (Britain) / Celtic seas | 1969 | |
Grateloupia turuturu | United Kingdom (Britain) / English Channel | 1969 | |
Gymnodinium catenatum | United Kingdom (Britain) / English Channel | | |
Hesperibalanus fallax | United Kingdom (Britain) / English Channel | 1994 | |
Hesperibalanus fallax | United Kingdom (Britain) / Celtic seas | 1994 | |
Heterosigma akashiwo | United Kingdom (Britain) / English Channel | 1950 | |
Homarus americanus | United Kingdom (Britain) / North Sea | 2004 | |
Hydroides dianthus | United Kingdom (Britain) / English Channel | 1970 | |
Hydroides elegans | United Kingdom (Britain) / English Channel | 1937 | |
Hydroides ezoensis | United Kingdom (Britain) / English Channel | To 1976 | |
Ianiropsis serricaudis | United Kingdom (Britain) / English Channel | 2004 | |
Jassa marmorata | United Kingdom (Britain) / North Sea / Orkney Islands | From 2013 | |
Karenia mikimotoi | United Kingdom (Britain) / Celtic seas | 1971 | |
Karenia mikimotoi | United Kingdom (Britain) / English Channel | 1971 | |
Limnoria quadripunctata | United Kingdom (Britain) / Celtic seas | 1930 - 1939 | |
Limnoria quadripunctata | United Kingdom (Britain) / English Channel | 1930 - 1939 | |
Limnoria tripunctata | United Kingdom (Britain) / Celtic seas | 1950 - 1959 | |
Limnoria tripunctata | United Kingdom (Britain) / English Channel | 1950 - 1959 | |
Litosiphon laminariae | United Kingdom (Britain) / English Channel | 1900 | |
Loxomitra kefersteinii | United Kingdom (Britain) / Celtic seas | 1950 | |
Loxosomella antedonis | United Kingdom (Britain) / Celtic seas | 1950 - 1959 | |
Lymnaea sp. | United Kingdom (Britain) / Celtic seas / Channel Islands | | |
Lyrodus pedicellatus | United Kingdom (Britain) / English Channel | 1938 | |
Magallana gigas | United Kingdom (Britain) / North Sea | 1926 | |
Magallana gigas | United Kingdom (Britain) / Celtic seas | 1965 | |
Magallana gigas | United Kingdom (Britain) / English Channel | 1965 | |
Marenzelleria viridis | United Kingdom (Britain) / North Sea | 1982 | |
Melanothamnus harveyi | United Kingdom (Britain) / Celtic seas | 1908 | |
Melanothamnus harveyi | United Kingdom (Britain) / North Sea | 1908 - 1965 | |
Melanothamnus harveyi | United Kingdom (Britain) / North Sea / Orkney Islands | 2014 | |
Melanothamnus harveyi | United Kingdom (Britain) / English Channel | 1908 | |
Mercenaria mercenaria | United Kingdom (Britain) / English Channel | 1884 | |
Mercenaria mercenaria | United Kingdom (Britain) / North Sea | 1864 | |
Monocorophium acherusicum | United Kingdom (Britain) / Celtic seas | 1950 - 1959 | |
Monocorophium sextonae | United Kingdom (Britain) / North Sea | To 2005 | |
Monocorophium sextonae | United Kingdom (Britain) / English Channel | 1930 - 1939 | |
Monocorophium sextonae | United Kingdom (Britain) / Celtic seas | 1930 | |
Mya arenaria | United Kingdom (Britain) / North Sea | To 1880 | |
Mya arenaria | United Kingdom (Britain) / Celtic seas | 1800 - 1899 | |
Mya arenaria | United Kingdom (Britain) / English Channel | 1800 - 1899 | |
Mytilicola intestinalis | United Kingdom (Britain) / Celtic seas | 1937 | |
Mytilicola intestinalis | United Kingdom (Britain) / English Channel | 1937 | |
Mytilopsis leucophaeata | United Kingdom (Britain) / North Sea | To 1999 | |
Mytilopsis leucophaeata | United Kingdom (Britain) / Celtic seas | 1996 | |
Mytilus galloprovincialis | United Kingdom (Britain) / English Channel | 1998 | |
Mytilus galloprovincialis | United Kingdom (Britain) / Celtic seas | 1924 | |
Mytilus trossulus | United Kingdom (Britain) / Celtic seas | 2006 | |
Nemopsis bachei | United Kingdom (Britain) / Celtic seas | 1851 | |
Neodexiospira brasiliensis | United Kingdom (Britain) / English Channel | 1974 | |
Odontella sinensis | United Kingdom (Britain) / Celtic seas / Channel Islands | | |
Oncorhynchus gorbuscha | United Kingdom (Britain) / North Sea | 1960 | |
Oncorhynchus kisutch | United Kingdom (Britain) / English Channel | 1975 | |
Oncorhynchus mykiss | United Kingdom (Britain) / Celtic seas | 1884 | |
Ostracoblabe implexa | United Kingdom (Britain) / North Sea | 1950 | |
Pachycordyle michaeli | United Kingdom (Britain) / English Channel | 1973 | |
Palaemon macrodactylus | United Kingdom (Britain) / North Sea | 1992 | |
Paralaeospira malardi | United Kingdom (Britain) / English Channel | 1999 | |
Paralaeospira malardi | United Kingdom (Britain) / Celtic seas | 1999 | |
Penaeus japonicus | United Kingdom (Britain) / English Channel | 1989 | |
Penilia avirostris | United Kingdom (Britain) / North Sea | 1947 | |
Perophora japonica | United Kingdom (Britain) / English Channel | 2005 | |
Perophora japonica | United Kingdom (Britain) / Celtic seas | 2003 | |
Petricolaria pholadiformis | United Kingdom (Britain) / English Channel | 1893 | |
Petricolaria pholadiformis | United Kingdom (Britain) / North Sea | 1893 | |
Phyllodicola petiti | United Kingdom (Britain) / Celtic seas | 1989 | |
Physa sp. | United Kingdom (Britain) / Celtic seas / Channel Islands | | |
Pikea californica | United Kingdom (Britain) / Celtic seas | 1967 | |
Pikea californica | United Kingdom (Britain) / English Channel | 1967 | |
Pileolaria berkeleyana | United Kingdom (Britain) / Celtic seas / Channel Islands | 1982 | |
Pileolaria berkeleyana | United Kingdom (Britain) / English Channel | 1974 | |
Pileolaria militaris | United Kingdom (Britain) / Celtic seas | To 1977 | |
Pileolaria militaris | United Kingdom (Britain) / English Channel | To 1977 | |
Pinctada imbricata radiata | United Kingdom (Britain) / English Channel | 1986 | |
Pisinna glabrata | United Kingdom (Britain) / English Channel | To 2010 | |
Potamopyrgus antipodarum | United Kingdom (Britain) / Celtic seas | 1859 | |
Potamopyrgus antipodarum | United Kingdom (Britain) / North Sea | 1859 | |
Potamopyrgus antipodarum | United Kingdom (Britain) / English Channel | 1859 | |
Proceraea cornuta | United Kingdom (Britain) / English Channel | 1929 | |
Prorocentrum cordatum | United Kingdom (Britain) / English Channel | 1976 | |
Pseudodiaptomus marinus | United Kingdom (Britain) / English Channel | To 2011 | |
Pseudolithoderma roscoffense | United Kingdom (Britain) / English Channel | 1973 | |
Pseudopolydora paucibranchiata | United Kingdom (Britain) / Celtic seas | To 1960 | |
Psiloteredo megotara | United Kingdom (Britain) / English Channel | To 1967 | |
Pterosiphonia pinnulata | United Kingdom (Britain) / Celtic seas | | |
Pterosiphonia pinnulata | United Kingdom (Britain) / English Channel | | |
Rapana venosa | United Kingdom (Britain) / North Sea | 2005 | |
Rhithropanopeus harrisii | United Kingdom (Britain) / Celtic seas | 1996 | |
Ruditapes philippinarum | United Kingdom (Britain) / North Sea | 1981 - 1987 | |
Ruditapes philippinarum | United Kingdom (Britain) / Celtic seas | 1980 | |
Ruditapes philippinarum | United Kingdom (Britain) / English Channel | 1980 | |
Sarcodiotheca gaudichaudii | United Kingdom (Britain) / English Channel | 1974 | |
Sargassum muticum | United Kingdom (Britain) / North Sea | 1981 | |
Sargassum muticum | United Kingdom (Britain) / Celtic seas | 1971 | |
Sargassum muticum | United Kingdom (Britain) / English Channel | 1971 | |
Schizoporella japonica | United Kingdom (Britain) / North Sea / Orkney Islands | From 2011 | |
Scytosiphon dotyi | United Kingdom (Britain) / North Sea | 1900 | |
Solieria chordalis | United Kingdom (Britain) / Celtic seas | 1976 | |
Solieria chordalis | United Kingdom (Britain) / English Channel | 1976 | |
Solieria filiformis | United Kingdom (Britain) / English Channel | 1978 | |
Spartina townsendii var. anglica | United Kingdom (Britain) / Celtic seas | 1850 - 1859 | |
Spartina townsendii var. anglica | United Kingdom (Britain) / English Channel | 1850 - 1859 | |
Sternaspis scutata | United Kingdom (Britain) / English Channel | 1986 | |
Styela clava | United Kingdom (Britain) / Celtic seas | 1953 | |
Styela clava | United Kingdom (Britain) / English Channel | 1953 | |
Styela clava | United Kingdom (Britain) / North Sea | To 1998 | |
Suberites massa | United Kingdom (Britain) / English Channel | | |
Suberites massa | United Kingdom (Britain) / North Sea | To 2002 | |
Telmatogeton japonicus | United Kingdom (Britain) / North Sea / Orkney Islands | 2015 | |
Teredo navalis | United Kingdom (Britain) / Celtic seas | 1100 - 1199 | |
Teredo navalis | United Kingdom (Britain) / English Channel | | |
Teredo navalis | United Kingdom (Britain) / North Sea | | |
Thalassiosira tealata | United Kingdom (Britain) / Celtic seas | 1950 | |
Thalassiosira tealata | United Kingdom (Britain) / English Channel | 1950 | |
Tiostrea chilensis | United Kingdom (Britain) / Celtic seas | 1963 | |
Tricellaria inopinata | United Kingdom (Britain) / English Channel | 1998 | |
Tricellaria inopinata | United Kingdom (Britain) / Celtic seas | 1998 | |
Tricellaria inopinata | United Kingdom (Britain) / North Sea / Orkney Islands | From 2014 | |
Umbraulva olivascens | United Kingdom (Britain) / English Channel | 1960 | |
Undaria pinnatifida | United Kingdom (Britain) / North Sea | 2009 | |
Undaria pinnatifida | United Kingdom (Britain) / Celtic seas / Channel Islands | 1990 - 1999 | |
Undaria pinnatifida | United Kingdom (Britain) / English Channel | 1994 | |
Urosalpinx cinerea | United Kingdom (Britain) / North Sea | To 1928 | |
Victorella pavida | United Kingdom (Britain) / North Sea | 1870 | |
Victorella pavida | United Kingdom (Britain) / English Channel | 1870 | |
Watersipora subtorquata | United Kingdom (Britain) / English Channel | 2007 | |