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Re: Live Foods Digest V1 #116

At 03:58 AM 12/1/97 -0500, Bob Dixon wrote:
> I recently read something that implies
>that shrimp from the Great Salt Lake in Nevada are of a different species
>than the ones harvested in the San Fransisco Bay.  In light of the vast
>isolation between these two populations, speciation is a logical consequence.

I beg to differ.  Think how easily cysts could adhere to the feet of a
migratory bird that eats the shrimp.  That would account for ready exchange
of genes between geographically isolated populations.  Remember, geographic
isolation is not the same as genetic isolation.     Dave Gomberg