Pear-shaped Sand Snail
NamePear-shaped Sand Snail
Scientific NameNeverita didyma
Common NamePear-shaped Sand Snail
FamilyNaticidae
GenusNeverita
Speciesdidyma
Geographic DistributionIndo-Pacific region, including East Africa, Red Sea, India, Southeast Asia, Australia, Japan, and parts of the Pacific.
Habitatintertidal
Shell Shapeglobose
Average Size (mm)40-100
Identifying FeaturesSmooth and glossy surface, low spire, very large and wide D-shaped aperture, and a characteristic pear-shaped or globose outline. Live specimens have a prominent umbilical callus, often dark.
Raritycommon
Author Citation(Röding, 1798)
Description
A medium to large-sized marine gastropod shell, characterized by its smooth, glossy, and somewhat pear-shaped to globose form. The shell is typically thick-walled with a low spire and a very wide, D-shaped aperture. The specimen shown is uniformly white, likely bleached, and found on sand, indicating its typical habitat.
