Humpback Unicornfish

Humpback Unicornfish

Naso brachycentron

Identification Large, elongated gray-brown fish with a pronounced forehead hump and a short rostral horn. Adults develop elongated tail lobes and two caudal keels on each side of the tail base.
Maximum Length Up to 24 inches (60 cm)
Origin Indo-Pacific — Red Sea to Polynesia
Minimum Tank Size 300 gallons
Reef Compatible Yes

Behavior

An open-water, fast-moving fish that requires an enormous aquarium to thrive. Best suited for large, sparsely decorated systems that allow free swimming. Generally peaceful toward other species but intimidating due to its size.

Diet & Feeding

Herbivore. Grazes on macroalgae and leafy algae in the wild. Offer dried seaweed, lettuce, and algae-based pellets. This large species has a substantial appetite.

Cautions

Suitable only for very large systems (300+ gallons). Grows too large for most home aquariums — purchase only if you can accommodate its adult size.