Wales INNS portal

Megabalanus coccopoma (Darwin, 1854)

Species, Crustacean, Marine

• Occurrences: 0

Megabalanus tintinnabulum (Linnaeus, 1758)

Species, Crustacean, Marine

• Occurrences: 0

Megabalanus zebra Russell et al., 2003 non-native

Species, Crustacean, Marine

• Occurrences: 0

Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs, 2017 non-native

Species, Alga, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 10

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

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

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

Neodexiospira brasiliensis (Grube, 1872) non-native

Species, Annelid, Marine

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

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

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

Ostrea chilensis Philippi, 1844 non-native

Species, Mollusc, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 10

Pachycordyle navis (Millard, 1959) – Brackish Hydroid

Species, Coelenterate (=cnidarian), Marine

• Occurrences: 0