The Humpback unicornfish (Naso brachycentron) is a saltwater fish of the family Acanthuridae that grows up to 90 cm.
Oceania: Australia, China, Taiwan/Ch Taipei, Comoros, Fiji, Tuamotu Is. and others
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Description
The Humpback unicornfish is a unicornfish (Acanthuridae) from the Indo-Pacific. The species grows to about 90 cm and has a greyish, elongate body. Adult males develop a conspicuous hump or short horn on the forehead. On each side of the tail base sits one or two sharp, fixed bony keel-blades that can inflict a cut; handle with care. It eats algae or zooplankton.
Frequently asked questions
How do you recognise the Humpback unicornfish?
The Humpback unicornfish has a torpedo-shaped body and is mainly silver-grey. Bears sharp spines, plates or strong jaws that can cause cuts or puncture wounds; handle with care.
Where does the Humpback unicornfish live?
The Humpback unicornfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia, China, Taiwan/Ch Taipei, Comoros, Fiji, Tuamotu Is. and others
How big does the Humpback unicornfish get?
The Humpback unicornfish grows to a maximum of about 90 cm.
Is the Humpback unicornfish dangerous to humans?
The Humpback unicornfish can cause injury; handle it with care. Never grab a live unicornfish by the tail; sharp, fixed bony keel-blades sit on each side of the tail base. For a cut: rinse with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Deep wounds easily become infected: have them assessed medically and check tetanus status.
Is the Humpback unicornfish edible?
Yes, the Humpback unicornfish is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Naso
More from the family Acanthuridae
Want the complete picture on the Humpback unicornfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Humpback unicornfish is one of 12,519 species in the app.
Or scan with your phone