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  • Species list: WFD UKTAG aquatic alien species impact

Wales marine risk assessment

WFD UKTAG impact

Priority species for Wales

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Showing 121 - 140 of 162 taxa

  1. Oncorhynchus mykiss (Walbaum, 1792) – Rainbow Trout non-native

    Species, Bony fish (Actinopterygii), Freshwater, marine, terrestrial

    Steelhead Trout, Brithyll Seithliw, Brithyllod Seithliw

    Establishment status: GB Establishment Status - Established

  2. Orconectes limosus (Rafinesque, 1817) – Spiny-cheek Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  3. Orconectes virilis (Hagen, 1870) – Virile Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  4. Ostrea chilensis Philippi, 1844 non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

  5. Pachycordyle navis (Millard, 1959) – Brackish Hydroid

    Species, Coelenterate (=cnidarian), Marine

  6. Pacifastacus leniusculus (Dana, 1852) – Signal Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    American Signal Crayfish

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  7. Penaeus japonicus Spence Bate, 1888 non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Not established

  8. Persicaria wallichii Greuter & Burdet – Himalayan Knotweed non-native

    Species, Flowering plant, Freshwater, terrestrial

    Y Ganwraidd Himalaiaidd, Clymog yr Himalaya

    Establishment status: GB Establishment Status - Established

  9. Petasites japonicus (Siebold & Zucc.) Maxim. – Giant Butterbur non-native

    Species, Flowering plant, Freshwater, terrestrial

    Creamy Butterbur, Yr Alan Mwyaf, Alan Gawr, Yr Alannon Mwyaf

    Establishment status: GB Establishment Status - Established

  10. Petricolaria pholadiformis (Lamarck, 1818) – American Piddock non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

  11. Phagocata woodworthi Hyman, 1937

    Species, Flatworm (Turbellaria), Freshwater, terrestrial

  12. Physella acuta (Draparnaud, 1805) non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  13. Physella gyrina (Say, 1821) non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  14. Pikea californica Harvey, 1853 non-native

    Species, Alga, Marine

    Establishment status: GB Establishment Status - Established

  15. Pileolaria berkeleyana (Rioja, 1942) non-native

    Species, Annelid, Marine

    Establishment status: GB Establishment Status - Established

  16. Pinctada imbricata radiata (Leach, 1814)

    Subspecies, Mollusc, Marine

  17. Planaria torva (Müller OF, 1773) non-native

    Species, Flatworm (Turbellaria), Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

  18. Pleurosigma W.Smith, 1852

    Genus, Diatom, Marine, terrestrial

  19. Potamopyrgus antipodarum (J.E. Gray, 1843) – Jenkins' Spire Snail non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  20. Procambarus acutus Girard, 1852 non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

[counting] records from [counting] taxa

This map contains both point- and grid-based occurrences at different resolutions