The Electric Blue Acara Cichlid is a peaceful freshwater fish even with its own kind. They are best kept in colonys of 6 or more and will eventually form pairs to breed. They will also usually not bother any fish that stays away from its territory except when it is breeding, it may tend to become more aggressive like most fish protecting their young. They will breed regularly if the fry are removed shortly after hatching. Electric Blue Acara are excellent parents and will not harm the fry even if left in the aquarium.