
Irus griseus
NameIrus griseus
Scientific NameIrus griseus
Common NameGray Irus Clam (or a type of Venus clam)
FamilyVeneridae
GenusIrus
Speciesgriseus
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Japan, and parts of Australia.
Habitatintertidal
Average Size (mm)Typically ranges from 20 to 40 mm in length.
Identifying FeaturesThe most prominent identifying feature visible in the image is the strong, somewhat irregular, concentric lamellae (ridges) covering the entire shell surface. These ridges are well-defined and give the shell a textured appearance. The shell is equivalve and inequilateral, typical of Veneridae.
Dietfilter-feeder
Raritycommon
Author Citation(Lamarck, 1818)
Description
A bivalve mollusc belonging to the family Veneridae, commonly known as Venus clams. It is characterized by its oval to subquadrate shell with prominent, often irregular, concentric lamellae (ridges). The shell color is typically whitish to grayish or light brown, often with darker concentric bands.





