Description: (based on 27 specimens): Adult height: 10.7-14.6cm. Rings: 11+35-36 (34-37). Snout length: 2.2 (1.9-2.5) in head length. Dorsal fin rays: 18 (17-19) covering 2+1 rings. Pectoral fin rays: 17 (16-19). Coronet: small and quite low, with five distinct rounded knobs or spines. Spines: knob-like and blunt, to well-developed and quite sharp; often with dark band around them near tip. Other distinctive characters: cheek spines double; double spines below, and sometimes also above eye; prominent, sharp nose spine; snout long and slender. Color pattern: commonly hues of yellow and black, sometimes alternating; striped tail (although this may not be visible in dark specimens); mottled or blotched pattern on body; may have fine white lines radiating from eye.