Sleek Unicornfish (Naso hexacanthus)

Also known as Blacktongue Unicorn, Blacktongue Unicornfish, Bluetail Unicornfish, Doctorfish, Lancetfish, Nohorn Unicorn, Sleek Unicorn, Thorntail, Thorntail Fish, Thorpe's Unicornfish

Description

Also known as Blacktongue Unicorn, Blacktongue Unicornfish, Bluetail Unicornfish, Doctorfish, Lancetfish, Nohorn Unicorn, Sleek Unicorn, Thorntail, Thorntail Fish, Thorpe's Unicornfish.

Found in large schools over reef slopes in clear lagoons and seaward reefs.
They feed on filamentous red algae and zooplankton comprising crab larvae, arrow worms and pelagic tunicates.
Length - 75cm
Depth - 6-150m
Widespread Indo-Pacific

Surgeonfish have a blade like spine in the tail that points outwards when bent, unicorns have two hook-like plates along the tail, these are used for defence and are as sharp as a surgeons scalpel, hence the name "Surgeonfish".
Some species are venomous. Ref: https://www.fishbase.se/summary/1263

Related creatures

Heads up! Many creatures change during their life. Juvenile fish become adults and some change shape or their colour. Some species change sex and others just get older. The following creature(s) are known relatives of the Sleek Unicornfish. Click the image(s) to explore further or hover over to get a better view!

Sleek Unicornfish (Juvenile)

Sleek Unicornfish (Juvenile)

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