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  • Habitat: freshwater
  • Species list: WFD UKTAG aquatic alien species impact

Wales marine risk assessment

WFD UKTAG impact

Priority species for Wales

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Showing 21 - 40 of 94 taxa
  1. Ctenopharyngodon idella (Valenciennes, 1844) – Grass Carp

    Species, Bony fish (Actinopterygii), Freshwater, terrestrial

    Chinese Grass Carp, White Amur

  2. Cyprinus carpio Linnaeus, 1758 – Common Carp non-native

    Species, Bony fish (Actinopterygii), Freshwater, terrestrial

    Carp, Cerpyn

    Establishment status: GB Establishment Status - Established

  3. 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

  4. 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

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

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

    Subspecies, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

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

    Species, Crustacean, Freshwater, marine

    Establishment status: GB Establishment Status - Absent

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

    Species, Crustacean, Freshwater, marine

    Establishment status: GB Establishment Status - Absent

  9. Egeria densa Planch. – Large-flowered Waterweed non-native

    Species, Flowering plant, Freshwater

    Ffugalaw Prinflodeuog, Alaw Prin-Flodeuog

    Establishment status: GB Establishment Status - Established

  10. Eichhornia crassipes (Mart.) Solms – Water-hyacinth non-native

    Species, Flowering plant, Freshwater

    Establishment status: GB Establishment Status - Not established

  11. Elodea callitrichoides (Rich.) Casp. – South American Waterweed non-native

    Species, Flowering plant, Freshwater

    South-American Water-Weed, Ffugalaw De America, Alaw De America

    Establishment status: GB Establishment Status - Established

  12. Elodea canadensis Michx. – Canadian Waterweed non-native

    Species, Flowering plant, Freshwater

    Canadian Pondweed, Teim y Dŵr, Ffugalaw Canada, Alaw Canada

    Establishment status: GB Establishment Status - Established

  13. Elodea nuttallii (Planch.) H. St. John – Nuttall's Waterweed non-native

    Species, Flowering plant, Freshwater

    Esthwaite Water-Weed, Nuttall's Water-Weed, Ffugalaw Nuttall, Alaw Nuttall

    Establishment status: GB Establishment Status - Established

  14. Ergasilus briani Markewitsch, 1932 non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

  15. Ergasilus sieboldi von Nordmann, 1832 non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

  16. Eriocheir sinensis H. Milne Edwards, 1853 – Chinese Mitten Crab non-native

    Species, Crustacean, Freshwater, marine, terrestrial

    Establishment status: GB Establishment Status - Established

    Wales marine risk assessment: Monitoring: high

  17. Fallopia japonica (Houtt.) Ronse Decr. – Japanese Knotweed non-native

    Species, Flowering plant, Freshwater, terrestrial

    Clymog Japan

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  18. Fallopia japonica x sachalinensis = F. x bohemica (Chrtek & Chrtková) J.P. Bailey non-native

    Species hybrid, Flowering plant, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

  19. Fallopia sachalinensis (F. Schmidt) Ronse Decr. – Giant Knotweed non-native

    Species, Flowering plant, Freshwater, terrestrial

    Y Glymog Fawr, Clymog Sachalin

    Establishment status: GB Establishment Status - Established

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

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

[counting] records from [counting] taxa

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