Diodora musis commonly referred to as Mouse Keyhole Limpet. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
Diodora mus is a sea slug belongs to the family Fissurellidae, the keyhole limpets. These limpets have a circular opening at the apical end of the shell, which serves both as an excurrent and anal opening.
The Mouse keyhole Limpet can be found in intertidal to 20 m, on coarse sand and stones.