Also known as Blueribbon Demoiselle, Cresent Damsel, Crescent Damselfish, Freshwater Damsel, Lyretail Damselfish.
Found in small schools, over very shallow brackish waters of bays, lagoons and mangroves estuaries, with freshwater discharge and lower reaches of freshwater streams.
They feed on zooplankton.
Length - 10cm
Depth - 0-3m
Widespread Indo-West Pacific
Damselfish are egg layers.
First they clear a site ready for a nest, then engage in a mating dance with rapid swimming and fin movements, during this time the males will often turn a shade or two darker and may display white blotches. Spawning occurs at dawn. Ref: https://www.fishbase.se/summary/5705