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Re: carnivores descended from hrbivores.
>Date: Tue, 24 Oct 1995 14:18:11 -0700
>From: email@example.com (John R. Hutchinson)
>Subject: Re: carnivores descended from hrbivores.
>>There are plenty among the i nvertebrates, though I can't think of
>>among terrestrial vertebrates. Several genera of grasshoppers
>>are carnivorous. Many carnivorous fish seem to be descended
>>from herbivorous ancestors. An example would be some of the
>>Tilaliids, amongs which the primitive mode of feeding was on
>>algae. Many are now carnivorous, including the mosquitoe fish,
>>introduced into Lousiana to keep mosquito larvae i n check
>>in catfish ponds and crawdad ponds.
>>From: David Brez Carlisle
> Yes, inverts seem to have the best respresentatives - mollusks
>have some representatives (e.g. cowries) that some grad student is working
>on here, trying to resolve their phylogeny and whether there were
>herbivory/carnivory transitions, even examples of herbivores that became
>carnivores and then herbivores again. Pretty cool stuff; bears more
>looking at. Anyone know of broad taxon-sweeping studies along that line??
John R. Hutchinson
Evolving Evolutionary Biologist
Department of Integrative Biology
University of California - Berkeley
Berkeley, CA 94720
"Thus, the student of adaptation has to sail a perilous course
between a pseudoexplanatory reductionist atomism and stultifying
nonexplanatory holism." --E. Mayr, "How to carry out the