About Lambis truncata (Lightfoot), 1786
Lambis truncata (Lightfoot), 1786 is the largest and heaviest species of spider shells, reaching up to 40 centimeters in length. It is similar in appearance to Lambis lambis, but has a more squarish overall outline. Younger Lambis truncata shells are creamy white; when the shells get older, the columella and outer lip are usually mauve brown in color. Its known distribution includes the Indian Ocean off the coasts of Aldabra, Chagos, Madagascar, Mauritius, and Tanzania, plus the Bay of Bengal and the Pacific Ocean along the Philippines. The species lives on rubble and coarse sand in shallow water.
