Giant Spider Conch
NameGiant Spider Conch
Scientific NameLambis truncata
Common NameGiant Spider Conch
FamilyStrombidae
GenusLambis
Speciestruncata
Geographic DistributionIndo-Pacific region, including the Red Sea, East Africa, Madagascar, Mauritius, Seychelles, Maldives, Sri Lanka, Indonesia, Philippines, Papua New Guinea, Solomon Islands, and parts of Australia.
Habitatintertidal
Average Size (mm)Can reach up to 400 mm (40 cm) in length, with an average size often between 200-300 mm.
Identifying FeaturesIts immense size, the truncated anterior canal, and the characteristic 6-7 long, pointed, hollow spines on the outer lip are its most distinguishing features. The aperture is smooth and often white or pale pink.
Raritycommon
Author Citation(Lightfoot, 1786)
Description
A very large and heavy sea snail shell, characterized by its robust structure and a broad, flared outer lip adorned with numerous long, pointed, finger-like projections. The shell exhibits a prominent spire and a broad body whorl, with a smooth, porcelain-like interior aperture.
