Also known as Bluespot Dragonet, Side-spottedDragonet, Spotted Dragonet.
Found singly or in pairs sometimes buried during the day, but will raise fins if disturbed, on protected mud and sand flats with sandy/weedy bottoms.
They feed on benthic invertebrates.
Length - 2.3cm
Depth - 1-40m
Widespread Western Pacific
Males have a taller more elaborate first Dorsal Fin which erects intermittently when moving around and for mating. Ref: http://www.fishbase.org/summary/Callionymus-pleurostictus.html