Sinum perspectivumSinum perspectivum, common name the white baby ear, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.DistributionSinum perspectivum is found on the eastern coast of America from Maryland south to Brazil, and also round Bermuda.DescriptionThe maximum recorded shell length is 51 mm. It has a shallowly coiled shell with a wide opening and graceful curved outline. It is white both outside and inside. Like the other members of its family, it is carnivorous.HabitatMinimum recorded depth is 0 m. Maximum recorded depth is 70 m.