Crepidula intratesta is a species of marine gastropod mollusk belonging to the family Calyptraeidae. It is a common and widespread species, known for its distinctive shell shape and its ability to form stacks of individuals, with each individual attaching itself to the shell of the one below it.
Description & Characteristics
Crepidula intratesta exhibits a characteristically asymmetrical, cap-shaped shell. The shell is typically white or yellowish-white, often with brown or reddish-brown markings. The aperture (opening) of the shell is oval-shaped and slightly curved. Adult Crepidula intratesta specimens can reach a maximum size of approximately 25 millimeters.
Habitat and Occurrence
Crepidula intratesta is a common inhabitant of the intertidal zone, specifically in the lower intertidal and subtidal areas. It is typically found attached to rocks, seaweed, and other hard substrates. These individuals are often found in large aggregations, forming stacks of individuals on top of one another. Crepidula intratesta thrives in a variety of marine zones, including the neritic zone, which extends from the shoreline to the edge of the continental shelf.
Taxonomy
Crepidula intratesta is classified within the Class Gastropoda, Order Littorinimorpha, and Family Calyptraeidae. This family is known for its members’ distinctive cap-shaped shells. Crepidula intratesta is one of several species within the genus Crepidula, all of which share similar morphological features.
Feeding
Crepidula intratesta is a suspension feeder, meaning it obtains its food by filtering microscopic organisms and particles from the water column. The species utilizes specialized structures within its gills to trap these food items. It plays a significant role in marine ecosystems by contributing to the flow of energy and nutrients through the food web.
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