Nassarius speciosus

Nassarius speciosus, common name the purple-lipped dogwhelk or the splendid nassa, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa mud snails or dog whelks.

Description
The length of the shell varies between 20 mm and 30 mm.

Distribution
This marine species occurs off the south coast and the west coast of South Africa.