California Butterclam
NameCalifornia Butterclam
Scientific NameSaxidomus nuttalli
Common NameCalifornia Butterclam
FamilyVeneridae
GenusSaxidomus
Speciesnuttalli
Geographic DistributionFound along the Pacific coast of North America, specifically from Central California south to Baja California, Mexico.
Habitatintertidal
Average Size (mm)Up to 150 mm (6 inches), commonly 75-100 mm.
Identifying FeaturesKey features include its thick, heavy shell, distinct and regular concentric growth lines, oval to subquadrate shape, and often a stained appearance. Internally, it possesses strong hinge teeth (not visible in image).
Dietfilter-feeder
Raritycommon
Author CitationConrad, 1837
Description
A robust, thick-shelled bivalve, typically oval to subquadrate in shape, characterized by prominent, regular concentric growth lines on its exterior. The shell is moderately inflated and often appears stained by its environment.
