Lambis scorpiusLambis scorpius, the scorpion conch or scorpion spider conch, is a species of large sea snail, a marine gastropod mollusc in the family Strombidae, the true conchs.;Subspecies:Lambis scorpius indomaris Abbott, 1961DescriptionThe size of an adult shell varies between 95 mm and 220 mm.DistributionThis species occurs in the Indian Ocean off Chagos, Madagascar,Kenya and Tanzania; in the Western Pacific and off the Philippines.