Aulonocara aquilonium

Aulonocara aquilonium is a species of fish in the family Cichlidae. It is endemic to Malawi. Its natural habitat is freshwater lakes where it occurs in areas of sandy substrate where mature males defend a small territory of sand against other mature males of this species. The foraging females and non-breeding males form large schools. It is found at depths ranging from 12-25 m. During the months of November and December A. aquilonium is abundant where there is an interface between rock and sandy habitats near Mdoka on the northwestern shores of Lake Malawi