Humpback Unicornfish (Naso brachycentron)

Fish in the family Acanthuridae. Expert care. Not Reef Safe.

Humpback Unicornfish

Quick facts

Scientific nameNaso brachycentron
FamilyAcanthuridae
Care levelExpert
Reef safetyNot Reef Safe
TemperamentSemi Aggressive
Dietherbivore
Adult size24 in
Minimum tank size300 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding schedule2-3 times daily

Appearance

Blue-gray body with a characteristic horn-like protuberance on the forehead that becomes more pronounced with age. Dark spots cover the body, and the caudal fin displays yellow and orange coloration. Adults develop a humped profile, especially males.

Diet and feeding

Feed high-quality marine algae, nori, spirulina, and algae-based pellets 2-3 times daily. Supplement with occasional meaty foods like mysis shrimp. Provide plenty of live rock and macroalgae for natural grazing.

Difficulty and care for the Humpback Unicornfish

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Marine Ich, Fin Rot, Swim Bladder Disease, Columnaris, Hole-in-the-head disease

Origin and habitat

Indo-Pacific from the Red Sea to Hawaii, including the Great Barrier Reef and surrounding coral reef regions.

Log Humpback Unicornfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Humpback Unicornfish alongside everything else in your reef.