Harlequin Tuskfish Identification Guide

Key identification features

• Deep orange-red body crossed by diagonal, electric turquoise-blue stripes running from the head toward the tail
• Prominent, forward-jutting blue-tinged teeth resembling small tusks, used to crush hard-shelled prey
• Blue piping along the edges of the dorsal, anal, and tail fins
• Robust, elongated wrasse body shape reaching around 30 cm at maturity
• Blue markings also radiate around the eye and across the gill cover, framing the face
• Juveniles show the same basic color scheme but with narrower, less defined stripes that sharpen with age

Common look-alikes

• Blackspot tuskfish: lacks the vivid diagonal turquoise stripes, instead showing a duller, more uniform body with a distinct black spot on the back near the dorsal fin
• Other Choerodon tuskfish species: generally show plainer coloration without the harlequin's bold contrasting blue-on-orange striping
• Large parrotfish at a glance: have fused beak-like teeth rather than the tuskfish's separate protruding tusks, and lack the diagonal stripe pattern

Where you'll see one

Inhabits coral-rich lagoons and outer reef slopes of the western Pacific, typically seen alone cruising over rubble and coral in search of hard-shelled invertebrates to crush.