Showing 1 - 20 of 49 taxa
  1. Acartia (Acanthacartia) tonsa Dana, 1849 non-native

    Species, Crustacean, Marine, terrestrial

    Establishment status: GB Establishment Status - Established

  2. Achtheres percarum Nordmann, 1832 non-native

    Species, Crustacean, Freshwater, marine, terrestrial

    Establishment status: GB Establishment Status - Unknown

  3. Amphibalanus amphitrite (Darwin, 1854) non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Surveillance: high

  4. Amphibalanus reticulatus Utinomi, 1967 non-native

    Species, Crustacean, Marine

  5. Astacus astacus (Linnaeus, 1758) – Noble Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Not established

  6. Astacus leptodactylus Eschscholtz, 1823 – Turkish Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

  7. Austrominius modestus (Darwin, 1854) non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Established

  8. Caecidotea communis (Say, 1818) non-native

    Species, Crustacean, Freshwater, marine, terrestrial

    Establishment status: GB Establishment Status - Established

  9. Caprella mutica Schurin, 1935 – Japanese Skeleton Shrimp non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: medium

  10. Cercopagis pengoi (Ostroumov, 1891) – Fishhook Waterflea non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Absent

  11. Chelicorophium curvispinum (G.O. Sars, 1895) non-native

    Species, Crustacean, Freshwater, marine, terrestrial

    Establishment status: GB Establishment Status - Established

  12. Crangonyx pseudogracilis Bousfield, 1963 sens. str. non-native

    Species, Crustacean, Freshwater

  13. Dikerogammarus bispinosus Martynov, 1925 non-native

    Species, Crustacean, Freshwater, marine

    Establishment status: GB Establishment Status - Absent

  14. Dikerogammarus haemobaphes (Eichwald, 1841) – Demon Shrimp non-native

    Species, Crustacean, Freshwater, marine

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  15. Dikerogammarus villosus (Sowinsky, 1894) – Killer Shrimp non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  16. Dyspanopeus sayi (Smith, 1869) non-native

    Species, Crustacean, Marine

    Establishment status: GB Establishment Status - Established

  17. Echinogammarus ischnus (Stebbing, 1899) non-native

    Species, Crustacean, Freshwater, marine

    Establishment status: GB Establishment Status - Absent

  18. Echinogammarus trichiatus (Martynov, 1932) non-native

    Species, Crustacean, Freshwater, marine

    Establishment status: GB Establishment Status - Absent

  19. Ergasilus briani Markewitsch, 1932 non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

  20. Ergasilus sieboldi von Nordmann, 1832 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