Circe tumefacta
NameCirce tumefacta
Scientific NameCirce tumefacta
Common NameTumid Venus, Swollen Venus
FamilyVeneridae
GenusCirce
Speciestumefacta
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Indonesia, and parts of the Indian Ocean.
Habitatintertidal
Average Size (mm)45
Identifying FeaturesDistinguished by its subcircular to subtrigonal shape, strong and regular concentric ridges (lamellae) across the shell surface, and characteristic dark brown to reddish-brown coloration often accented with lighter concentric bands. The umbo is slightly anterior and inflated.
Dietfilter-feeder
Raritycommon
Author CitationSowerby II, 1851
Description
A bivalve shell, likely a single valve, exhibiting a subcircular to subtrigonal outline. The surface is characterized by prominent, regular, and closely spaced concentric growth lines or ridges. The coloration is predominantly dark brown to reddish-brown, often with lighter, yellowish-brown or grayish concentric bands, particularly noticeable near the umbo. The shell appears moderately inflated.
