Magilus antiquusMagilus antiquus, common name the Magilus coral snail, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.DescriptionThe shell size varies between 20 mm and 150 mmDistributionThis species is found in the Red Sea, the Indian Ocean along Aldabra, Madagascar, Mauritius and Tanzania and in the Pacific Ocean along New Zealand