Are shell dwelling cichlids aggressive?
Whether their brazenness really is courage or just stupidity is hard to pinpoint, but they have a vicious streak wider than the lake they inhabit. Keep some at home, and I guarantee that they will bite you one day. Being bitten by one of the 'shellies' is actually pretty cute, thanks to their pygmy statures.
How big do shell dwellers get?
Breeding pairs are often aggressive to all other fish. Origin: Tank-Bred, but indigenous to Lake Tanganyika, Africa. Average adult size: 2.4 inches (6.1 cm) for males, 1.6 inches (4.1 cm) for females.