Sinum javanicum
NameSinum javanicum
Scientific NameSinum javanicum
Common NameJavanese Ear Snail
FamilyNaticidae
GenusSinum
Speciesjavanicum
Geographic DistributionIndo-Pacific, including Indonesia (Java), Philippines, and other parts of the Indian Ocean and Western Pacific.
Habitatsubtidal
Average Size (mm)35
Identifying FeaturesDistinctive flattened, ear-like shape; extremely large, semi-circular aperture; very low or almost entirely concealed spire; smooth, porcelaneous interior; thickened, often calloused columellar lip.
Raritycommon
Description
A medium-sized, flattened, ear-shaped marine gastropod shell, typically off-white to creamy white. It is characterized by its extremely large, semi-circular aperture and a very low, almost sunken spire. The interior is smooth, glossy, and porcelaneous, often with a yellowish or light orange tint deeper inside. This species is a predatory moon snail found in sandy or muddy bottoms of the Indo-Pacific.
