Tresus capax
Tresus capax, commonly known as the fat gaper clam, is a species of saltwater clam in the family Mactridae. This species is native to the Pacific Ocean and is found along the western coast of North America, from Alaska to California.
Description[edit | edit source]
Tresus capax is characterized by its large, thick shell, which can grow up to 20 cm in length. The shell is typically white to light brown in color and has a rough, chalky texture. The interior of the shell is smooth and often has a purple hue. The clam has a large, muscular foot that it uses to burrow into the sand.
Habitat[edit | edit source]
Tresus capax inhabits the intertidal and subtidal zones, often found buried in sandy or muddy substrates. It prefers areas with a high salinity and is commonly found in bays, estuaries, and coastal lagoons.
Life Cycle[edit | edit source]
The life cycle of Tresus capax includes several stages: egg, larva, juvenile, and adult. Spawning typically occurs in the spring and summer months. The larvae are planktonic and undergo several developmental stages before settling to the bottom and metamorphosing into juvenile clams.
Ecological Role[edit | edit source]
Tresus capax plays a significant role in its ecosystem. As a filter feeder, it helps maintain water quality by filtering out plankton and other small particles from the water. It also serves as a food source for various predators, including sea otters, crabs, and birds.
Human Use[edit | edit source]
Tresus capax is harvested for its edible meat, which is considered a delicacy in some cultures. It is often used in clam chowder, steamed dishes, and other seafood recipes. The harvesting of Tresus capax is regulated to ensure sustainable populations.
Conservation[edit | edit source]
While Tresus capax is not currently listed as an endangered species, its populations are monitored to prevent overharvesting and habitat destruction. Conservation efforts focus on maintaining healthy habitats and sustainable harvesting practices.
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
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Contributors: Prab R. Tumpati, MD