Otopharynx tetrastigma is a species of cichlid native to Lake Malawi, Lake Malombe and the upper reaches of the Shire River. This species can reach a length of 16 centimetres (6.3 in) TL. It can also be found in the aquarium trade.
Otopharynx tetrastigma has been sold under the trade name of Intermedius for many years. Otopharynx tetrastigma the same fish as intermedius. It has just been renamed. See: http://www.african-cichlid.com/Tetrastigma.htm