| Littorinidae (periwinkles) |
| 4.2 cm DL (male/unsexed); max. reported age: 5 years |
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benthic; brackish; marine; depth range 0 - 60 m |
| Northeast Atlantic: from west Greenland to Kandalaksha Bay, White Sea, down to Portugal. Said to occur in the Mediterranean during the Pleistocene with records up to the Persian Gulf. Distribution in Iceland possibly true due to its occurrence up to west Greenland. Temperate to polar. |
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| Found in intertidal and subtidal flats (Refs. 2823, 106899). In shallow and deep subtidal mussel beds of Mytilus edulis. Occurs in both hard substrates and in soft bottoms, particularly on stones, boulders, on muddy and sandy tidal flats. Also macrophytes such as Fucus and Zostera spp. Herbivorous grazer, feeding on microalgal films (diatoms) from the shell surfaces of mussels, sporelings of ephemeral algae and young barnacles (Ref. 106899). |
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Not Evaluated (N.E.) Ref. 123251)
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