Siliqua alta

, Siliqua alta, Siliqua alta
Water Type: Marine

Siliqua alta, commonly known as the “Siliqua alta,” is a species of marine bivalve mollusk belonging to the family Pharidae. It is a relatively large and elongated clam with a distinctive shell morphology.

Description & Characteristics

The Siliqua alta is characterized by its long, narrow, and slightly curved shell. It can reach a maximum length of about 15 centimeters. The shell’s surface is smooth and glossy, often exhibiting a pale beige or yellowish-brown color. The posterior end of the shell is rounded, while the anterior end is more pointed. The Siliqua alta has a prominent hinge line and a well-developed umbo, which is the most prominent point on the shell.

Habitat and Occurrence

The Siliqua alta is a common inhabitant of sandy beaches and intertidal zones along the Pacific coast of North America. It is typically found in the lower intertidal zone, where it is buried in the sand. This species thrives in the marine zones of the northeastern Pacific Ocean, from Alaska to California.

Taxonomy

The Siliqua alta belongs to the Class: Bivalvia, Order: Adapedonta, and Family: Pharidae. This classification places it within a group of bivalves characterized by their unique adaptations for living in sandy substrates.

Feeding

Siliqua alta is a filter feeder, using its gills to extract microscopic food particles from the surrounding water. It plays an important role in the marine ecosystem by filtering out suspended matter and contributing to water clarity.

Associated Species

Image References

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