Also known as Yellowfin Fusilier, Yellowtop Fusilier.
Found in large schools over coral reefs in deep lagoons and seaward reefs.
They feed on zooplankton.
Varies in colour from blue to red with night and day.
Depth - 0-50m
Widespread Indian Ocean
Fusiliers are close relatives of snappers, but are much smaller and more slender.
Schools of fusiliers often have other species mixed in.
Although their colour is predominately yellow/blue, at night and when resting their colours change to red/green. Ref: https://www.fishbase.se/summary/927