Morula (Habromorula) spinosa, common name : the spinose rock shell, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
[1] The shell size varies between 14 and 40 mm (0.55 and 1.57 in).
This species is distributed in the Red Sea, in the Indian Ocean along Aldabra, Chagos, the Mascarene Basin and Tanzania; and along Japan.