Re: NANFA-- campastoma black spots?
Bruce Stallsmith (fundulus_at_hotmail.com)
Sun, 18 Nov 2001 14:49:04 -0500
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>I was out spotting ( running around with a spot light in the dark) my gar
>river pond. I was checking out the stonerollers who love the water fall and
>spring run area. I noticed some of them have eradicly spaced scales on
>there
>back that are blackish. Its not a parasite, its clear to see its
>coloration,
>since the scale is perfectly colored. Not all of them have it. The fish are
>around three inches give or take a bit. Is this normal coloration? I am not
>sure if they are central or bigscales, we have both here. Could this be the
>difference between the two? The ones with coloration seem to have larger
>scales than the others.
>Ray
I think that both species of stonerollers you have, oligolepis (largescale)
and anomalum (central) have some light patterning of darker scales along the
dorsal region. The big differences between the species involve scale and
pharyngeal tooth counts. And you're right, it's almost endearing with
stonerollers how much they like low falls and runs which they can move up
and down in with no problem.
--Bruce Stallsmith
Huntsville, AL, US of A
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