Fissurella nubecula

Fissurella nubecula, common name the cloudy keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.

Description
The size of the shell varies between 10 mm and 25 mm.

Distribution
This species occurs in the Mediterranean Sea, in the Atlantic Ocean off the Canary Islands, West Africa and Angola.