With just one fish DNA probably is not an option. When he gets larger I am
sure that it will be easier to see if this is a sport, or a hybrid. As long
as he is willing I will experiment with trying to spawn him with females of
both suspect parents.
The reason I keep the two together out there is the pond is large enough, so
I get lots of young of most species. I would not mix really similar species,
such as pulvereus and confluentus, or cingulatus and rubrifrons etc. It
usually ends up to be about four Fundulus, Jordanella, Leptolucania,
Lucania, an Elassoma or two, and an Enneacanthus. Plus some years a still
water darter, H. formosa and small Lepomis. Dwarf crawfish ( C . shufeldti)
live in there year round oddly enough.
Ray
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