Siliqua fasciata, commonly known as the banded razor clam, is a species of bivalve mollusk found in the intertidal and subtidal zones of the Pacific Ocean. This burrowing clam is characterized by its elongated, blade-like shell and its distinct banded pattern.
Description & Characteristics
Siliqua fasciata possesses a distinctive elongated, narrow shell that can reach a maximum length of 15 centimeters. The shell is typically white or cream-colored with a series of brown or reddish-brown bands running along its length. This banding pattern is often more pronounced in older individuals. The shell is smooth and slightly curved, tapering towards the anterior end. The posterior end is rounded and contains the siphons, which are used for feeding and respiration.
Habitat and Occurrence
Siliqua fasciata is a common inhabitant of sandy beaches and mudflats along the Pacific coast of North America. Its distribution ranges from Alaska to Baja California, Mexico. This species is typically found in the intertidal and subtidal zones, where it burrows into the sediment to avoid predators and forage for food. Siliqua fasciata prefers areas with moderate wave action and a high abundance of organic matter. It is a prominent species in the nearshore marine environment, inhabiting the intertidal and subtidal zones.
Taxonomy
Siliqua fasciata is classified within the phylum Mollusca, belonging to the Class Bivalvia, Order Adapedonta, and Family Pharidae. This classification places it among the group of bivalve mollusks with a distinct set of morphological and physiological adaptations, including their characteristic elongated and blade-like shells.
Feeding
Siliqua fasciata is a filter feeder, meaning it obtains its food by filtering water through its gills. This process allows the clam to capture microscopic plankton and other organic particles suspended in the water column. As the clam draws water into its siphon, food particles become trapped in the gills and are transported to the mouth for digestion. This feeding strategy is common among bivalves and plays a crucial role in the nutrient cycle within their marine environments.
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