Common name(s): Butter clam
Up to 130mm
Bering Sea to Central California
Intertidal to 40 m, buried to 30 cm. Prefers quiet bays and estuaries with muddy sand or muddy/sandy gravel.
Spawns in the Fall when water temperatures reach 11.5 to 18oC. This species can live up to 20 years.
Polinices lewisii, Nucella emarginata
*"Size" refers to shell length only and only gives the largest average size for the given species.
Last updated Tuesday, August 29, 2006, by Lisa Ferrier