The Nautilus Log
Macridiscus multifarius

Macridiscus multifarius

NameMacridiscus multifarius
Scientific NameMacridiscus multifarius
Common NameMany-colored clam
FamilyVeneridae
GenusMacridiscus
Speciesmultifarius
Geographic DistributionIndo-Pacific, particularly East Asia (e.g., Japan, Korea, China, Philippines).
Habitatintertidal
Average Size (mm)50-70
Identifying FeaturesBivalve shell with a characteristic ovate to subtrigonal shape. The most striking feature is the highly diverse and often vibrant color patterns, including radial bands and concentric lines. The shell surface is generally smooth but may show fine concentric growth lines.
Dietfilter-feeder
Raritycommon
Author Citation(Dillwyn, 1817)

Description

A collection of Macridiscus multifarius shells, commonly known as the many-colored clam. These bivalve shells exhibit a remarkable diversity in color and pattern, ranging from radial stripes and concentric bands to mottled designs. They are typically ovate to subtrigonal in shape, with a smooth to finely sculptured surface, and are often found in sandy or muddy marine environments.

Related Seashells