 Adult male haps generally display bright colors, while juveniles of both sexes and adult females typically show a silvery or grey coloration with sometimes irregular black bars or other markings.The second main haplochromine group are the mbuna, a name used both locally and popularly, which means "rockfish" in Tonga.They are found at rocky outcrops, territorially aggressive (although commonly found in high densities) and often specialised aufwuchs feeders.