Floppy conical body, fan shaped pectoral fins, spiny (usually venomous) dorsal fins. Distinct tassels all around the mouth and lower head. Colouration varies with location.
Mottled to bright red; usually stationary with all spiney fins fanned out to maximise camouflage effect. May also be defensive – spines do carry a mild toxin.
Conical body tapering to tail, with Mohican style dorsal fin that extends the length of the body. Colouration matches surroundings, and swaying movement makes it look like part of the scenery.
Conical body with hump on back, colouration varies with location. Fan shaped pectoral fins which are bright reddy-orange underneath. You may catch a glimpse of this if it moves.