Sounds like Cyclops. Usually good food for fry. They feed on dead stuff mostly - dead plants, fish food, etc. Steev welenofsky@comcast.net wrote: > These things are very small, crawl on the glass, swim in the water column, > and can be VERY fast, and move in a jerky motion like a water flea. I have no > idea what they are. I can't see them with the naked eye. I hope they're not > hydra...?!?? I have lots of them, so if they are good, then maybe they are > good food for fry, and hopefully not the other way around. So far, I have > killifish fry growing from eggs laid in the tank with the parents, and I > haven't been feeding the fry anything, just been taking care of the parents > needs. > > Susan > _______________________________________________ > GSAS-Member mailing list > GSAS-Member@thekrib.com > http://lists.thekrib.com/mailman/listinfo/gsas-member _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member