Species
Colpomenia peregrina (Oyster-thief)
Colpomenia peregrina. Photo: (c) tangatawhenua, some rights reserved (CC BY-NC)
Colpomenia peregrina, sometimes referred to by its vernacular names Oyster Thief and Bladder Weed, is a brown seaweed not native to the British Isles, but recorded in Ireland since 1934. It appears to have been introduced from the Pacific and was first noticed in Europe in 1906 on oyster beds. It has now been recorded throughout the eastern north Atlantic from Norway and Sweden to Portugal. It was first recorded in Britain in 1908 and in…
Sightings
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