--Bruce "Ulocentra R Us" Stallsmith
near the Tennessee
Huntsville, AL, US of A
>>With all of these Ulocentra the differences revolve around fairly subtle
>>differences in pigmentation, especially of the "saddles", and just how
>>declivous the snout is.
>
>"Fairly subtle?!" People who thought that atripinne graded into simoterum
>either hadn't seen nuptial males or hadn't looked critically. The
>geographic breaks between these taxa are discrete, abrupt, and stunning -
>maybe if you're a myopic color-blind human and can't distinguish between
>green, black, and orange you might have a problem, but the fish seem to
>sort themselves out just fine.
>
>cheers,
>Dave
>
>--
>along the muddy Mississipi, St. Louis, MO
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