Julidochromis are beautiful aquarium fish. They are cichlids from Lake Tanganyika in Africa and are the favorite Tanganyikan cichlid of many aquarists. These fish are a pleasure to keep and have a personality to match their striking color. There are 5 species of Julidochromis which vary in size from 3 to 5 inches. All Julidochromis are torpedo shaped, black and yellow fish and many have blue accents on the fins and gills. While they all are similar, each species has its own unique pattern and slightly different body type.