Hawaii Biological Survey’s
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Asian Freshwater Clam
Scientific name: Corbicula fluminea
Hawaiian Name: —
Classification: Phylum: Mollusca. Class: Gastropoda. Family: Corbiculidae
Origin:Purposefully introduced as a food item; first seen in 1977.
Distribution: All main islands except Lana‘i, Moloka‘i, and Kaho‘olawe.
This clam was first seen in 1977 at a farmer's market in Kailua, O‘ahu. By the mid-1980s it was well established in many of Hawaii's streams and reservoirs. Baby clams can pass through water intake screens and clog irrigation lines as they grow older.
|Photo by Ronald Englund ©HBS|