melanochromis

I picked up a single M.auratus juvenile today on a whim. Any chance I could keep it in a single tank with 3 J. marlieri juveniles? I know M.auratus can get aggressive when they're mating but what about a single individual? The tank is 20 gallons but I can move them to a 50 gallon in a couple of...

Wondering what some commonly available mbunas (a breeding group of 1 species) would be good to have in a 75 gallon tank with 1 male melanochromis interruptus "chizumulu" and 5 females. What would mix well in terms of not looking too similar to the male or the females, and be able to hold their...