Also known as Hair-finned Leather Jacket, Japanese Leatherjacket, Leatherjacket.
Found singly, over protected areas, of open sand and silty bottoms.
They feed on algae and invertebrates.
Length - 11.3cm
Depth - 39-90m
Widespread Eastern Indian Ocean, Western Pacific
Filefish can alter their colour and pattern to match their surrounds and so deter predators.
Although closely related to the Triggerfish, their "trigger spine" cannot be locked into place. Ref: https://www.fishbase.se/summary/62909