Saltcorner
By Bob Goemans
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Keyhole Limpets

 Diodora gibberula (Keyhole Limpet)

Diodora gibberula
(Lamarck, 1822)

Keyhole Limpet

Not Reef Tank Suitable

Not Suitable for Fish-Only Tank

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Very similar to Chitons, as they also have a conical half-shell appearance, except this species has a small opening in the center top portion of its shell.

Basically herbivores and most are fairly small in size, i.e., about an inch or much less (5 mm - 2.5 cm). Often arrive on live rock and can be quite useful in controlling microalgae and diatom blooms.


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