I've only seen urchins using Thalassia blades as camouflage.  That is interesting.
Chad

---- Original message ----
>Date: Wed, 31 May 2006 19:44:27 -0400
>From: Mike Metz <[log in to unmask]>
>Subject: Re: Tricolia affinis (Eulithdium affine) and Cerithium litteratum
>To: [log in to unmask]
>
>Sea urchins just flip any shell they find along their path on top of them as
>camouflage. I have seen urchins with numerous bivalve halves and other hard
>substances, living and dead, adorning them.
>
>From sunny Pass-a-Grille
>
>Mike
>
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Chad Ferguson
500 Geology/Physics
University of Cincinnati
Cincinnati, OH  45221-0013
(513) 556-3732
(513) 265-6197-cell
(513) 556-6931-fax

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