well u'll wanna make shure ur PH level is fine...get urself sum lava rocks...and ur gonna wanna feed them algea flakes ask ur local petstore bout it, algea flakes after bout 1 week of feed it ur fishes color r gonna BE GGORGEOUS! heheh so trythat
aswell... if u dont have alot caves for ur cichlids to call it's own that'll make it very unhappy mabe thats why it changing color their mood depics there color..but i'd want u to try out those algea flakes make shure u ask the pet shop owner which 1 to use