Distinctive Characters: Dorsal fin with 11 spines and 16 rays or 10 spines and 16-18 rays. Anal fin with 3 spines and 8 rays. Pectoral rays 16-18 rays. Body depth 3.1-3.4 in standard length. Upper lip of males thickened at symphysis, forming a protuberant papilla. Dorsal and anal fin heavily scaled at their bases and well out onto fins. No prolonged spines. Caudal fin deeply forked. Colour: Yellow above a line from origin of dorsal fin to lower base of caudal fin; abruptly violet below. Habitat and Biology: A common coral reef species. Occurs at depths less than 40 m. During daytime, it moves over reef patches into the water column. Feeds on planktons.
Distribution: Indian Ocean.
Remarks: Pseudanthias evansi, is one of the most beautifully coloured anthiids. It is a very popular aquarium fish.