Fissurella mutabilis

Fissurella mutabilis, common name Cape keyhole limpet, is a species of sea snail that is a marine gastropod mollusk in the family Fissurellidae which are keyhole limpets.

Description
The size of the shell reaches 18 mm.

Distribution
Fissurella mutabilis is commonly found off the coast in Madagascar, Namibia, and South Africa.