Also known as Deep-bodied Fusilier, Giant Fusilier, Red-bellied Fusilier, Redbelly Yellowtail Fusilier, Robust Fusilier, Yellowtail.
Found in schools, in extremely murky waters over coral and rocky coastal reefs. Varies in colour from blue to red with night and day.
They feed midwater on zooplankton.
Length - 60cm
Depth - 0-60m
Widespread Indo-West Pacific
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. (edit) Ref: https://www.fishbase.se/summary/Caesio-cuning