Polinices otis
NamePolinices otis
Scientific NamePolinices otis
Common NameOtis's Moon Snail
FamilyNaticidae
GenusPolinices
Speciesotis
Geographic DistributionIndo-Pacific region, including East Asia (e.g., Japan, Korea, China, Philippines) and parts of Australia.
Habitatintertidal
Shell Shapeglobose
Average Size (mm)30-60
Identifying FeaturesGlobose and smooth shell, low spire, large D-shaped aperture, and a thick, white columellar callus that partially or completely covers the umbilicus. The dark aperture interior is a key characteristic for this species.
Raritycommon
Author Citation(Broderip & Sowerby, 1829)
Description
A medium-sized, globose marine snail shell, commonly known as Otis's Moon Snail. It features a smooth, somewhat glossy exterior and a distinctive dark brown to purplish-brown interior aperture, often with a prominent white columellar callus. This species is a predatory gastropod found in sandy or muddy substrates.
