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Most were 3 cm long grayish blue or grayish purple (varied appearance). This dogwinkle is a predator. Shown in the pics with its favorite prey - Acorn barnacles (Balanus glandula). The dogwinkle drills into the barnacle or shell with its radula, injects digestive enzymes which liquefy the tissues, and sucks out the contents.
Spotted on exposed rocks at low tide.
Spotted on May 19, 2019
Submitted on Aug 31, 2019