Intertidal Organisms EZ-ID GUIDES

 

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Diodora aspera (Rough keyhole limpet)

photo of rough keyhole limpet with a commensal worm
Copyright © 2005 Mary Jo Adams

 

Many keyhole limpets carry the commensal scaleworm Arctonoe vittata up under its shell in the mantle groove.   If attacked by a sea star, the scaleworm has been known to come to the defense of its host by biting the sea star's tube feet.

This page was created by Mary Jo Adams on 12/5/05.

 

 

photo of rough keyhole limpet

photo of rough keyhole limpet

 

photo of rough keyhole image