Littorina obtusata (Linnaeus, 1758)
Yellow periwinkle
Flat periwinkle
Littorina obtusata
photo by Scott, Sue

Family:  Littorinidae (periwinkles)
Max. size:  1.3 cm DL (male/unsexed); max. reported age: 3 years
Environment:  benthic; marine; depth range 0 - 110 m
Distribution:  Northern Atlantic, Arctic and the Mediterranean. Subtropical to polar.
Diagnosis:   
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  C: Ref. 97515.

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