These darters all much prefer live earthworms, I suppose, but also seem very
avid to grab bloodworms. The sub-genus _Ulocentra_ (incl. duryi and
simoterum) includes at least 2 very good aquarium fish. Maybe captive
propagation? They could replace Corydoras...
I also received a really good publication put out by the Geological Survey
of Alabama, "Investigations of Slackwater Darter, _Etheostoma boschungi_,
populations, 1992-94", circular 184. This darter is federally listed as
threatened, and has an interesting ecology: spawning in rain-flooded fields
in the late winter, and then adults spend the summer in pools rich in
detritus. This species is an excellent argument against channel
straightening and other modifications of stream morphology. The species is
also found in the Brier Fork, but I haven't seen it yet (probably just as
well, I don't have a federal permit).
--Bruce Stallsmith
Huntsville, AL "just 20 minutes from the Brier Fork"
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