Also known as Blackspot Angelfish, Bluelips Angel, Bluelips Angelfish, Flagfin Angel, Flagfin Angelfish, Spot Angelfish, Threespot Angel.
Found singly, pairs, or in small loose schools, close to corals, over lagoons and seaward reefs, rich in coral growth. Adults identified by blue lips.
They feed on sponges and tunicates.
Length - 25cm
Depth - 3-60m
Widespread Indo-West Pacific
Angelfish are usually brightly coloured with highly compressed bodies.
Some live in "harems" others in pairs, they can be highly territorial and make a loud drumming sound when alarmed. Ref: https://www.fishbase.de/summary/Apolemichthys-trimaculatus.html