Also known as Fingered Dragonet, Kuiter's Dragonet, Orangeblack Dragonet, Sailfin Dragonet.
Found singly or in pairs, sometimes buried during the day, but will raise fins if disturbed, on protected mud flats with sand and weedy bottoms.
They feed on benthic invertebrates and zooplankton.
Length - 15cm
Depth - 3-15m
Western Central Pacific - Indonesia
Males have a taller more elaborate first Dorsal Fin which erects intermittently when moving around and for mating.
(edit) Ref: https://www.fishbase.se/summary/60086