It means the eggs have hatched, and the fry (with large yolk sacs that prevent them from moving) are beating their tails. They probably do this to self-aerate. > The eggs are now rapidly vibrating back and forth without > being fanned by the mother > > There is a picture of a really red P. pulcher in one of those Tetra Press books by Linke and Staeke, either the one on dwarf cichlids or west african cichlids. I don't have my copy handy, but perhaps someone else can give the exact citation. > These were labelled as p. pulcher "Red Phase" in the fish store. Is > anyone > familiar with this alleged morph? > Daryl Williams