Bocas Species Database

Habitat: It is usually present on substrates such as rocks, in the intertidal.   Distribution: This species has been reported from Florida and throughout the Caribbean.   Natural History Notes: It is a filter feeder.   Characteristics: This mussel species can measure up to 16 mm. It has a thin, fan shaped shell with fine divercating radial ribs. The ribbed surface of the shell is most evident at the outer edges. The shell can range from blue-gray to yellow to dark brown. The interior has purple-brown blotches with one to four small purplish dysodont hinge teeth.