Orthochromis stormsi
authority not recorded
O. stormsi was previously classified as Schwetzochromis stormsi and is still named as such by many sources. Its swimbladder is modified, being much reduced in size. This makes the fish less buoyant and therefore less likely to be swept away by the strong currents in its natural habitat. In the aquarium it spends most of its time on the substrate, where it swims in a characteristic 'hopping' fashion. Unfortunately, it is rather rare in the hobby....