Showing 1 - 20 of 31 taxa
  1. Mizuhopecten yessoensis (Jay, 1857) non-native

    Species, Mollusc, Marine

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: medium

  4. Sphaerium transversum (Say, 1829) – Oblong Orb Mussel non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  5. Urosalpinx cinerea (Say, 1822) – American Sting Winkle non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Surveillance: high

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

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Absent

    Wales marine risk assessment: Surveillance: high

  7. Corbicula fluminalis Müller, 1774 non-native

    Species, Mollusc

    Establishment status: GB Establishment Status - Absent

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

    Species, Mollusc, Marine

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  10. 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

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  12. Arcuatula senhousia (Benson, 1842) – Asian Mussel non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Not established

  13. Ostrea chilensis Philippi, 1844 non-native

    Species, Mollusc, Marine

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Marine

    Soft-shelled clam, Soft clam, Sand-gaper

    Establishment status: GB Establishment Status - Established

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

    Subspecies, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  17. 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

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

  19. Dreissena polymorpha (Pallas, 1771) – Zebra Mussel 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