Sand cockle
NameSand cockle
Scientific NamePaphia undulata
Common NameSand cockle
FamilyVeneridae
GenusPaphia
Speciesundulata
Geographic DistributionIndo-Pacific region, including Southeast Asia (e.g., Philippines, Indonesia, Malaysia, Thailand, Vietnam), and parts of the Indian Ocean.
Habitatintertidal
Average Size (mm)40
Identifying FeaturesKey identifying features include its oval shape, prominent concentric growth lines, and the characteristic brown zigzag or wavy color patterns on a lighter background. The shell surface is generally smooth between the growth lines.
Dietfilter-feeder
Raritycommon
Author Citation(Born, 1778)
Description
A bivalve seashell, moderately inflated and oval in shape, characterized by prominent concentric growth lines. The shell exhibits a creamy white to yellowish-brown background adorned with distinctive brown, somewhat zigzag or wavy patterns, particularly noticeable across the central and posterior regions. The umbo is slightly anterior and pointed.
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