Lacuna vincta (Montagu, 1803)
Northern lacuna
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Family:  Littorinidae (periwinkles)
Max. size:  1.3 cm DL (male/unsexed); max. reported age: 1 years
Environment:  benthic; marine; depth range 0 - 200 m
Distribution:  Northern Atlantic, Northern Pacific and the Arctic: from Japan to Alaska and California, and north to Svalbard. Circumpolar to subtropical.
Diagnosis:   
Biology:  Maximum depth from Ref. 118693. To 1.6 cm in size (unit not given) (Ref. 95344). Found on rocky shores along the intertidal zone. Abundant in some areas (Ref. 95344). Mesograzer (Ref. 118689). Feeds and lives on a variety of macroalgae in rocky subtidal zone, including Fucus distichus edentatus, Chondrus crispus, Fucus serratus, Mastocarpus stellatus and Laurencia pinnatiada. Exhibits seasonal abundance in kelp habitats, where it dominantly feeds on Laminaria saccharina (Ref. 118682), Macrocystis integrifolia and Nereocystis luetkeana (Ref. 118689).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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