Asian Clam (Corbicula)

Scientific Name: Corbicula fluminea

Order & Family: Order Venerida, Family Cyrenidae

Size: Generally less than 2.5 cm (1 inch) in length, but can grow up to 5-6 cm.

Asian Clam (Corbicula)

Natural Habitat

Freshwater lakes and rivers with sandy, silty, or gravelly substrates; often found along shorelines and in shallow waters.

Diet & Feeding

Filter feeder, consuming phytoplankton and organic detritus from the surrounding water.

Behavior Patterns

A highly invasive and hardy species that can self-fertilize, allowing it to colonize new areas rapidly; often found in high-density clusters.

Risks & Benefits

Invasive species that competes with native mollusks for food and space; can clog water intake pipes in power plants and treatment facilities; can improve water clarity but disrupts local ecosystems.

Identified on: 3/15/2026