Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Cichlidae
- Genus
- Melichthys
- Species
- niger
Habitat
Black triggerfish primarily inhabit coral reefs and rocky substrates in tropical marine environments, often at depths of 10 to 50 meters. They prefer areas with abundant algae and invertebrates, and are commonly found in the Indo-Pacific region from East Africa to Hawaii. While the provided locations include Atlantic areas, this species is mainly Indo-Pacific and not native to the Atlantic.
Diet
Black triggerfish primarily eat algae, which they scrape from rocks using their strong teeth, along with small invertebrates like crabs and sea urchins. They are diurnal feeders, actively foraging during the day on reef flats and slopes. This feeding behavior helps control algae growth on corals.
Behavior
Black triggerfish are typically solitary or found in pairs, defending small territories on the reef aggressively against intruders. They are diurnal, active during the day for feeding and resting in crevices at night. This species exhibits bold behavior, often approaching divers curiously, and uses its trigger spine as a defense mechanism.
Conservation Status
Listed as Least Concern by IUCN.