Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Scaridae
- Genus
- Sparisoma
- Species
- viride
Habitat
Stoplight parrotfish primarily inhabit coral reefs and rocky areas in shallow tropical waters of the western Atlantic, from Florida and the Bahamas to Brazil. They prefer depths of 3 to 25 meters, often found around coral heads, seagrass beds, and areas with abundant algae for grazing. These environments provide both food sources and shelter from predators.
Diet
Stoplight parrotfish mainly consume benthic algae, which they scrape off rocks and dead coral using their strong beak. They may also eat small invertebrates, detritus, and occasionally live coral polyps. Feeding is primarily diurnal, with individuals grazing for several hours each day to maintain their energy needs.
Behavior
Stoplight parrotfish are diurnal and spend most of their day grazing on algae across the reef. They exhibit a harem social structure, with one dominant male guarding a group of females, and can change sex from female to male if the dominant individual is removed. They are territorial during feeding and often rest in crevices at night. These fish are known for their role in bioerosion, as they help maintain reef health by grinding coral.
Conservation Status
Listed as Least Concern by IUCN.