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Lottia digitalis (Finger limpet)
Copyright © 2006
Mary Jo Adams
With a maximum length of 1-1/4 inches, Lottia digitalis is usually easy to identify because of the far anterior placement of the apex that may be in line with or even overhanging the anterior margin and pronounced ribbing that mark its shell. It is found high in the intertidal and splash zone on boulders and other rocks. Look for it especially along cracks and crevices, often clustering with others of its own and other species of limpets. This limpet is also found among goose barnacles. Lottia digitalis grazes on microalgae and fine filamentous algae. In turn, it becomes prey to birds, crabs, and fish. This limpet was previously known under the scientific name, Collisella digitalis. Another common name for it is “ribbed limpet”.
This
page was created by Mary Jo Adams on 5/24/06.
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