Showing 1 - 20 of 31 taxa
  1. Arcuatula senhousia (Benson, 1842) – Asian Mussel non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Not established

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Not established

  3. Corbicula fluminalis Müller, 1774 non-native

    Species, Mollusc

    Establishment status: GB Establishment Status - Absent

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  5. 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

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Subspecies, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  8. 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

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: medium

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

    Species, Mollusc, Freshwater

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Hard-shelled clam, American hard-shelled clam

    Establishment status: GB Establishment Status - Established

  14. Mizuhopecten yessoensis (Jay, 1857) non-native

    Species, Mollusc, Marine

  15. Mulinia lateralis (Say, 1822) non-native

    Species, Mollusc, Marine

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

    Species, Mollusc, Marine

    Soft-shelled clam, Soft clam, Sand-gaper

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  18. Ocinebrellus inornatus (Récluz, 1851) non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Absent

    Wales marine risk assessment: Surveillance: high

  19. Ostrea chilensis Philippi, 1844 non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

[counting] records from [counting] taxa

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