Abstract
Non-indigenous Japanese oyster drill Pteropurpura (Ocinebrellus) inornata (Récluz, 1851) (Gastropoda: Muricidae) on the South-west coast of Portugal
Highlights
Pteropurpura (Ocinebrellus) inornata (Récluz, 1851) a marine gastropod belonging to the family Muricidae and known as the Japanese oyster snail or Japanese rock snail, originates from the NW Pacific region and was first accidentally introduced in 1924 with cultured oysters in North America
This alien invasive species is widespread along the coasts of Oregon, Washington and British Columbia, in Puget Sound (Radwin and D’Attilio 1976; Carlton 1992; Houart and Sirenko 2003)
The first record of this species on the European Atlantic coast is from spring 1995 in Marennes-Oléron Bay, France, where it has regularly been sampled since
Summary
Pteropurpura (Ocinebrellus) inornata (Récluz, 1851) a marine gastropod belonging to the family Muricidae and known as the Japanese oyster snail or Japanese rock snail, originates from the NW Pacific region and was first accidentally introduced in 1924 with cultured oysters in North America. This alien invasive species is widespread along the coasts of Oregon, Washington and British Columbia, in Puget Sound (Radwin and D’Attilio 1976; Carlton 1992; Houart and Sirenko 2003). A survey carried out along the coastline of Sagres in the SW Algarve (Portugal) revealed the presence of significant numbers of adult and sub-adult individuals, sampled from local shellfish-culture as well as from nearby rocky environments
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