Stoplight Parrotfish
Sparisoma viride
Stoplight Parrotfish is a Caribbean reef fish that shifts color and sex with age, with mature males showing vivid blue-green and reddish markings. It grazes algae from coral and rock, helping control reef overgrowth.
Identification points
- Prominent dark oval spot behind the pectoral fin with a pale border
- Large adults show a green-blue body with reddish to yellow/orange accents, especially near the tail
- Beak-like fused teeth and a stout, oval-bodied reef-fish shape
Habitat
Shallow coral reefs, reef flats, and patch reefs with abundant hard substrate and algal growth; often seen in clear tropical marine waters from nearshore reefs to outer reef slopes.
Bait notes
Not a typical target for anglers and is rarely fished intentionally. Small pieces of crustacean, squid, or algae-based baits may take it incidentally, but it is far better observed than pursued.
Behavior
Day-active herbivore that scrapes algae with fused beak-like teeth, often in small groups or harems. Juveniles and initial-phase fish are browner; terminal males defend territories and may form spawning groups.
Caution
Avoid eating large reef fish from areas with ciguatera risk; reef herbivores can still be implicated in toxin transfer. Check local regulations, as parrotfish are protected or restricted in some regions to support reef health.
Fishing notes
If targeted where legal, use very small hooks and light tackle near shallow reef structure, keeping presentations close to the bottom. Avoid damaging coral; catch-and-release should be quick and careful because parrotfish are reef-sensitive.