BTW wondering what is the most numerous cyprinid in NA?
Tony
Dave Neely wrote:
>
> hey Bruce,
>
> ...a small correction - the stoneroller picture isn't that confusing, just
> seems that fish folks in the good old days (ie. Girard, Cope, Jordan,
> Evermann, etc.) were more astute than most contemporary ichthyologists. Both
> oligolepis and anomalum are composed of multiple distinct lineages, some of
> which (michauxi, plumbeum, pullum, etc) are phenotypically distinct (the
> reason some of them were named in the first place)! The several labs that
> are working on this issue seem to be converging on a similar picture (righto
> Peter?)...
>
> cheers,
> Dave
>
> >Genetic analysis gives a confusing picture of population/species structure
> >within and between anomalum and oligolepis, with phenotypic differences
> >more irregular than makes easy sense too. This is based on work done in
> >Rick Mayden's lab, both in Alabama and St. Louis, that I saw presented
> >several years ago at an ASIH meeting. There are different species within
> >this group, but the demarcations probably don't match traditional thinking
> >as I understand it.
> >
> >--Bruce Stallsmith
> >the sunny Tennessee
> >Huntsville, AL, US of A
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