Also known as Apple Tun, Grinning Tun, Pacific Grinning Tun, Tun Shell.
Found over fine sandy bottoms, of coral and rocky reefs.
They feed on sea cucumbers.
Length - 8cm
Depth - 5-30m
Widespread Western Central Atlantic, Indo-Pacific
These are a small family, their large shells have a distinct spiral.
They feed on sea cucumbers by sucking the food in with their large proboscis.
These large animals are able to burrow themselves completely in sand to escape predators. Ref: https://en.wikipedia.org/wiki/Malea_pomum