Wales INNS portal

Megabalanus zebra Russell et al., 2003 non-native

Species, Crustacean, Marine

• Occurrences: 0

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

Species, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

• Occurrences: 66

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

Species, Mollusc, Marine

Hard-shelled clam, American hard-shelled clam

Establishment status: GB Establishment Status - Established

• Occurrences: 19

Micropterus salmoides (Lacepède, 1802) – Largemouth Bass non-native

Species, Bony fish (Actinopterygii), Freshwater, terrestrial

Large-mouthed Bass, Swilod Cegfawr, Swilyn Cegfawr

Establishment status: GB Establishment Status - Extinct

• Occurrences: 0

Mizuhopecten yessoensis (Jay, 1857) non-native

Species, Mollusc, Marine

• Occurrences: 0

Mnemiopsis leidyi A. Agassiz, 1865 non-native

Species, Comb jelly (Ctenophora), Marine

Establishment status: GB Establishment Status - Not established

Wales marine risk assessment: Surveillance: high

• Occurrences: 0

Monocorophium sextonae (Crawford, 1937) non-native

Species, Crustacean, Marine, terrestrial

Establishment status: GB Establishment Status - Established

• Occurrences: 160

Mulinia lateralis (Say, 1822) non-native

Species, Mollusc, Marine

• Occurrences: 0

Muntiacus reevesi (Ogilby, 1839) – Chinese Muntjac non-native

Species, Terrestrial mammal, Terrestrial

Chinese Barking Deer, Muntjac, Carw Mwntjac, Ceirw Mwntjac

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 287

Mya arenaria Linnaeus, 1758 – Sand Gaper non-native

Species, Mollusc, Marine

Soft-shelled clam, Soft clam, Sand-gaper

Establishment status: GB Establishment Status - Established

• Occurrences: 540

Myiopsitta monachus (Boddaert, 1783) – Monk Parakeet non-native

Species, Bird, Terrestrial

Monk Parrakeet

Establishment status: GB Establishment Status - Established

Priority species for Wales: Prevention

• Occurrences: 0

Myocastor coypus (Molina, 1782) – Coypu non-native

Species, Terrestrial mammal, Freshwater, terrestrial

Coipw, Coipwod

Establishment status: GB Establishment Status - Exterminated

• Occurrences: 2

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

Species, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

• Occurrences: 6

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