Wales INNS portal

Myriophyllum robustum Hook.f. – Stout Water Milfoil non-native

Species, Flowering plant, Freshwater, terrestrial

Establishment status: GB Establishment Status - Unknown

• Occurrences: 0

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

Species, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

• Occurrences: 6

Nassella neesiana (Trin. & Rupr.) Barkworth – American Needle-grass non-native

Species, Flowering plant, Terrestrial

Chilean Needle Grass, Plufwellt America

Establishment status: GB Establishment Status - Not established

• Occurrences: 1

Nasua nasua (Linnaeus, 1766) – South American Coati non-native

Species, Terrestrial mammal, Terrestrial

Establishment status: GB Establishment Status - Not established

• Occurrences: 0

Neodexiospira brasiliensis (Grube, 1872) non-native

Species, Annelid, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 0

Neoergasilus japonicus (Harada, 1930) non-native

Species, Crustacean, Freshwater, terrestrial

Establishment status: GB Establishment Status - Established

• Occurrences: 0

Neogobius fluviatilis (Pallas, 1814) non-native

Species, Bony fish (Actinopterygii), Marine, terrestrial

• Occurrences: 0

Neogobius gymnotrachelus (Kessler, 1857) – Racer Goby non-native

Species, Bony fish (Actinopterygii), Marine

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Neogobius melanostomus (Pallas, 1814) – Round Goby non-native

Species, Bony fish (Actinopterygii), Marine, terrestrial

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Neovison vison (Schreber, 1777) – American Mink non-native

Species, Terrestrial mammal, Freshwater, terrestrial

Mink, mionc, mioncaichean, Minc, Mincod

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 2,441

Netta rufina (Pallas, 1773) – Red-crested Pochard non-native

Species, Bird, Freshwater, marine, terrestrial

Hwyaden Gribgoch, Hwyaid Cribgoch

Establishment status: GB Establishment Status - Established

• Occurrences: 517

Nyctereutes procyonoides (Gray, 1834) – Raccoon Dog non-native

Species, Terrestrial mammal, Terrestrial

Establishment status: GB Establishment Status - Not established

• Occurrences: 0

Nycticorax nycticorax (Linnaeus, 1758) – Night-heron non-native

Species, Bird, Freshwater, terrestrial

Black-crowned Night Heron, Night Heron, Crehyrod y Nos, Crëyr y Nos

Establishment status: GB Establishment Status - Not established

• Occurrences: 64

Obesogammarus obesus (Sars G.O., 1894) non-native

Species, Crustacean, Marine

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Ocinebrellus inornatus (Récluz, 1851) non-native

Species, Mollusc, Marine

Establishment status: GB Establishment Status - Absent

Wales marine risk assessment: Surveillance: high

• Occurrences: 0

Oncorhynchus mykiss (Walbaum, 1792) – Rainbow Trout non-native

Species, Bony fish (Actinopterygii), Freshwater, marine, terrestrial

Steelhead Trout, Brithyll Seithliw, Brithyllod Seithliw

Establishment status: GB Establishment Status - Established

• Occurrences: 194

Ondatra zibethicus (Linnaeus, 1766) – Musk Rat non-native

Species, Terrestrial mammal, Freshwater, terrestrial

Establishment status: GB Establishment Status - Exterminated

• Occurrences: 5

Orconectes limosus (Rafinesque, 1817) – Spiny-cheek Crayfish non-native

Species, Crustacean, Freshwater, terrestrial

Establishment status: GB Establishment Status - Established

Priority species for Wales: Prevention

• Occurrences: 0

Orconectes virilis (Hagen, 1870) – Virile Crayfish non-native

Species, Crustacean, Freshwater, terrestrial

Establishment status: GB Establishment Status - Established

Priority species for Wales: Prevention

• Occurrences: 0

Ostrea chilensis Philippi, 1844 non-native

Species, Mollusc, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 10