Seanet High Intertidal

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Lottia digitalis (Rathke, 1833)
Phylum Mollusca, Class Gastropoda, Subcl. Eogastropoda, Order Patellogastropoda, Family Lottidae

Apex near front, sometimes overhangs; height moderate, anterior slope concave; to 30 mm long; may have radial ribs (round x-sec) on posterior but not anterior; brown to dark olive w. white checkering; shell characters highly variable.

Northern species. Abundant, high to mid-intertidal zones, exposed & protected outer coast; in Monterey occurs more frequently on Pollicipes than on rock; also on mussels shells.

Geo Range: Aleutian Islands, Alaska to Pt. Conception
Synonyms: Collisella digitalis, Acmaea digitalis
Similar species: L. austrodigitalis is nearly identical; see table

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