Whitetail damselfish (Pomacentrus chrysurus), is a species of damselfish in the family Pomacentridae.
Short description - Dorsal spines (total): 13; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 15 - 16.
Max length : 9.0 cm TL male/unsexed.
Adults inhabit sandy areas of lagoons and inshore reefs around rock or coral outcrops.
Feed primarily on algae.
Oviparous, distinct pairing during breeding. Eggs are demersal and adhere to the substrate. Males guard and aerate the eggs.