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  • Species list: WFD UKTAG aquatic alien species impact
  • Lifeforms: Molluscs

Wales marine risk assessment

WFD UKTAG impact

Priority species for Wales

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Showing 1 - 20 of 23 taxa

  1. Aulacomya ater (Molina, 1782) – Magellan Mussel non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Not established

  2. Corbicula fluminea (O. F. Müller, 1774) non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  3. Crepidula fornicata (Linnaeus, 1758) – American Slipper Limpet non-native

    Species, Mollusc, Marine

    Slipper limpet

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: high

  4. Dreissena polymorpha (Pallas, 1771) – Zebra Mussel non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  5. Dreissena rostriformis bugensis Andrusov, 1897 – Quagga Mussel non-native

    Subspecies, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  6. Ensis leei M. Huber, 2015 – Jack knife clam non-native

    Species, Mollusc, Marine

    American jack knife clam, Razor shell

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: medium

  7. Ferrissia (Petancylus) californica (Rowell, 1863) – Wautier's Limpet non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  8. Magallana gigas (Thunberg, 1793) – Pacific oyster non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: medium

  9. Marstoniopsis insubrica (Küster, 1853) – Taylor's Spire Snail non-native

    Species, Mollusc, Freshwater

  10. Menetus (Dilatata) dilatatus (Gould, 1841) – Trumpet Ramshorn non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Hard-shelled clam, American hard-shelled clam

    Establishment status: GB Establishment Status - Established

  12. Mya arenaria Linnaeus, 1758 – Sand Gaper non-native

    Species, Mollusc, Marine

    Soft-shelled clam, Soft clam, Sand-gaper

    Establishment status: GB Establishment Status - Established

  13. Mytilopsis leucophaeata (Conrad, 1831) – False Dark Mussel non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  14. Ostrea chilensis Philippi, 1844 non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  18. Pinctada imbricata radiata (Leach, 1814)

    Subspecies, Mollusc, Marine

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  20. Rangia cuneata G.B Sowerby I, 1831 – Gulf Wedge Clam non-native

    Species, Mollusc, Freshwater

    Atlantic Rangia

    Establishment status: GB Establishment Status - Established

[counting] records from [counting] taxa

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