Also know as Dusky Batfish, Longfin Batfish, Long-finned Batfish, Pinnate Batfish, Red-faced Batfish, Red-faced Orbic Batfish, Red-finned Batfish, Red-rimmed Batfish, Redstripe Batfish, Shaded Batfish.
Found singly or in large schools, under overhangs of steep outer reef slopes.
They feed on algae, jellyfish and gelatinous zooplankton.
Juveniles dark with orange outline, small juveniles mimic flatworms and are found around caves, ledges and mangroves of sheltered inner reefs.
Length - 37cm
Depth - 2-30m
Widespread Western Pacific
Batfish have a flattened profile, juvenile batfish are extremely tall finned, but as they grow they become more rounded.
Often Inquisitive of divers. (edit) Ref: https://www.fishbase.se/summary/Platax-pinnatus.html