Description

Also known as Leatherjacket.

Found singly, pairs, or in small schools, over seagrass beds, weedy areas, and reef flats, of bays, mangrove lined estuaries, and lagoons.
They feed on algae and invertebrates.
Length - 8.7cm
Depth - ?m
Widespread Western Indian Ocean

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/Paramonacanthus-frenatus.html