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  • Species list: WFD UKTAG aquatic alien species impact
  • WFD UKTAG impact: Low

Wales marine risk assessment

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Showing 21 - 33 of 33 taxa

  1. Marenzelleria viridis (Verrill, 1873) non-native

    Species, Annelid, Marine

    Establishment status: GB Establishment Status - Unknown

  2. Mercenaria mercenaria (Linnaeus, 1758) – Qahog non-native

    Species, Mollusc, Marine

    Hard-shelled clam, American hard-shelled clam

    Establishment status: GB Establishment Status - Established

  3. Monocorophium sextonae (Crawford, 1937) non-native

    Species, Crustacean, Marine, terrestrial

    Establishment status: GB Establishment Status - Established

  4. 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

  5. Ostrea chilensis Philippi, 1844 non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

  6. 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

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

  8. Pikea californica Harvey, 1853 non-native

    Species, Alga, Marine

    Establishment status: GB Establishment Status - Established

  9. Rhithropanopeus harrisii (Gould, 1841) non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Established

  10. Ruditapes philippinarum (Adams & Reeve, 1850) – Manila Clam non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

  11. Sargassum muticum (Yendo) Fensholt, 1955 – Wireweed non-native

    Species, Chromist, Marine

    Wireweed (non-native), Japweed, luibh uèireach

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: medium

  12. Silurus glanis Linnaeus, 1758 – Wels Catfish non-native

    Species, Bony fish (Actinopterygii), Freshwater, terrestrial

    Catfish, Danube Catfish, Wels, Pencath, Pencathod

    Establishment status: GB Establishment Status - Established

  13. Vallisneria spiralis L. – Tapegrass non-native

    Species, Flowering plant, Freshwater

    Rhuban y Dŵr, Ruban y Dŵr

    Establishment status: GB Establishment Status - Established

[counting] records from [counting] taxa

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