Description: (based on 19 specimens): Adult height: 13.0-19.0cm. Rings: 11+39 (38-40). Snout length: 2.3-2.4 (2.1-2.5) in head length. Dorsal fin rays: 19 (18-21) covering 2+1 rings. Pectoral fin rays: 16 (15-17). Coronet: medium-high, tilted backwards with five well-defined points, sharp edges or flanges at top. Spines: variable, from low rounded bumps to well-developed blunt-tipped spines. Other distinctive characters: prominent, long (drooping), rounded, single cheek spines; prominent eye spine (may be broad or almost double); males commonly have a prominent keel; sexually mature females often have a dark patch below the anal fin. Color pattern: reddish-maroon, grey, yellow and gold; various shades of brown; may have fine white light and dark markings running vertically down body.