Fish Identifier

Steephead Parrotfish Identification Guide

How to recognize a steephead parrotfish by its blunt, near-vertical forehead and blue-green body.

Read the full Steephead Parrotfish encyclopedia entry →
Steephead Parrotfish Identification Guide

Key identification features

  • Large-bodied parrotfish, among the biggest on Indo-Pacific reefs, reaching over 70 cm
  • Terminal males show a very steep, near-vertical forehead profile, giving a "bulldog" or squared-off head shape unlike most other parrotfish
  • Blue-green overall body color with a pink to orange band or stripe near the eye and gill area
  • Initial phase is brownish-gray with a less steep forehead and more uniform, muted coloring, and tends to school more than solitary terminal males
  • Fused beak with pale to bluish teeth plates and thick lips, used to scrape algae and encrusting organisms from hard reef substrate

Common look-alikes

  • Bumphead parrotfish is much larger with an even more exaggerated bony forehead hump and lacks the pink cheek stripe
  • Ember (redlip) parrotfish shares the blue-green coloring but has a less abrupt, more gently sloping forehead

Where you'll see one

Found on outer reef slopes and channels of the Indo-Pacific, usually alone or in small groups in deeper, current-swept areas where it grazes on reef substrate, sometimes venturing into shallower reef flats to feed.

Frequently asked questions

How do I tell a steephead parrotfish from a bumphead parrotfish?

Bumphead parrotfish is much larger overall with a pronounced bony hump, while steephead parrotfish has a steep but smoother forehead slope and a pink stripe near the eye.

What's the fastest way to recognize a terminal-phase steephead parrotfish?

Look at the head profile first — an almost vertical, blunt forehead combined with blue-green body color is the clearest giveaway.