Species
Diodora aspera (Rough keyhole limpet)
Diodora aspera. Photo: (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC)
Diodora aspera, also known as the rough keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets. Although similar in appearance to a common limpet, it has a hole near the apex of its shell, and is only distantly related. It often has a scaled polychaete worm Arctonoe vittata living inside its shell as a commensal. In the event that it is attacked by a starfish, it…
Sightings
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