false spider conch
Namefalse spider conch
Scientific NameHarpago arthriticus
Common Namefalse spider conch
FamilyStrombidae
GenusHarpago
Speciesarthriticus
Geographic DistributionIndo-Pacific region, including East Africa, the Red Sea, and across the Indian Ocean to the Western Pacific.
Habitatsubtidal
Average Size (mm)120
Identifying FeaturesThe robust, heavy shell with 6-7 blunt, finger-like projections on the outer lip and the distinctive dark transverse ridges inside the aperture are key identifying features. The overall shape is less slender and more knobby than its close relative, *Harpago chiragra*.
Raritycommon
Author Citation(Röding, 1798)
Description
A large, robust marine gastropod shell characterized by its heavy, spiny form. The exterior is often encrusted with marine growth, and the outer lip features several blunt, finger-like projections. The interior of the aperture displays distinct transverse ridges.
