Pseudotropheus acei "Yellow Tail Msuli" is a striking cichlid species native to Lake Malawi. This fish can grow up to 15 cm in length and is recognized for its vibrant colouration, featuring a deep blue body contrasted with a bright yellow tail and dorsal fin. The "Msuli" variant is specifically found near Msuli Point. Known for their peaceful nature compared to other Mbuna cichlids, these fish inhabit rocky shorelines and feed on algae and small invertebrates. They are popular in the aquarium trade for their vivid colors and relatively docile temperament.