I stand corrected!
 
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>Date: Tue, 19 Jan 1999 15:18:50 -0400
>To: [log in to unmask]
>From: [log in to unmask] (David Campbell)
>Subject: Re: More on fultoni story
>
>>The second point is just friendly nitpicking and doesn't really affect your
>>numbers at all. As I understand it Tridacna clams have lost the ability to
>>filter feed and feed only on the metabolic outputs of their symibiotic
>>dinoflagellate algaes, the zooxanthellae. - Aaron
>
>No, Tridacna filter feed and get food from zooxanthellae, which may explain
>why they get so big.  Corculum and Fragum seem more dependant on the
>zooxanthellae, and many of the chemosymbiotic taxa have a very reduced gut.
>
>
>(If you think it worthwhile, this can be forwarded to the list).
>
>David Campbell
>
>"Old Seashells"
>
>Department of Geosciences
>CB 3315 Mitchell Hall
>University of North Carolina at Chapel Hill
>Chapel Hill NC 27599-3315
>USA
>
>919-962-0685
>FAX 919-966-4519
>
>"He had discovered an unknown bivalve, forming a new genus"-E. A. Poe, The
>Gold Bug
>
>
>
Aaron Baldwin
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http://www.ofseaandshore.com