Grandis often has a pinkish, salmon, or even yellow colored nacre in
addition to the standard white or silver. Colors seem to run in populations
but may also be caused by damage or parasites.



At 09:02 AM 1/26/2004 -0500, you wrote:
>Hi, Again!
>
>What is confusing me is one Naiade web page that states
>that P. grandis has white nacre (although I know many of
>our local mussels come in various colors of nacre).
>
>Except for the color of the nacre, I would be calling this
>P. grandis.  I gather from the reply that I'm right, as
>the shells fits the description all points except for the
>nacre color.
>
>Thanks,
>Linda

G. Thomas Watters, PhD
Curator of Molluscs
Museum of Biological Diversity
The Ohio State University
1315 Kinnear Road
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Visit the Mollusc Division at:
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