A few Nothos, like korthausae are pretty suitable. I vaguely recall that my Chunga were pretty good tank mates. Spare GUE also did OK, as I recall.
Most Lampeyes are excellent for community tanks, but the smaller ones are likely to be eaten by big fish. They fit in the same place that small Rasaboras and peaceful Tetras fit. [Large ones, like tanganicus have special water needs that limits their tank mates to a few (sometimes vicious) chicklets.]
Native species I have kept in community tanks include Fundulus of various kinds, and the smaller pupfish. Large ones, like J. floridae are rough on tank mates if they try to breed. They are excellent if kept in single-sex tanks, tho.
Because most killifish are not readily replaced from commercial sources, I think most of us only place surplus fish in community tanks. The need to breed them tends to keep us from doing that very much.
There are exceptions. I was very successful at breeding pupfish from our SW desert springs in a community tank. The males guarded their "spawning mop" (actually a wad of filter floss) until I collected the eggs from it. Unlike most egg layers, they even guarded it from snails!
Crevice spawners, like Procatopus are pretty easy to breed in a community tank, too. You need to devise a spawning device that excludes snails and other fish that can eat their eggs. A cylinder of plastic canvas mesh, with PVC end caps and stuffed with filter floss works very well. Put it in a strong current so the eggs get lots of oxygen.
Wright
01 760 872-3995
805 Valley West Circle
Bishop, CA 93514 USA
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