I've often wondered where the Z's are getting the materials to build their
shells(I know its from the water) when I see really enormous piles of these
bivalves on the shore of Lake Erie each spring.   Did  the balance of chemistry
change in any appreciable or measure amount after they hit the great lakes?
Myron Palay  [log in to unmask]
 
Gary Rosenberg wrote:
 
> >It is an excellent popular article for anyone interested in the scary
> spreading >of these destructive invaders from the Caspian Sea.
>
> Zebra mussels do occur in the Caspian Sea, but the North American invaders
> originated in the Black Sea. Two species have invaded, Dreissena polymorpha
> and Dreissena bugensis; the latter is known as the quagga mussel.
>
> ---------------------------------------------------------------------
> Gary Rosenberg, Ph.D.                     [log in to unmask]
> Malacology & Invertebrate Paleontology    gopher://erato.acnatsci.org
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