Orangespine Unicornfish

Scientific Name: Naso lituratus
Species: Surgeonfishes (Acanthuridae)
Other names: Doctorfishes, Lancetfishes, Orange-spined Unicornfish, Pacific OrangeSpine Unicorn, Orangespine Surgeonfish, Orange Unicorn Tang, Lipstick Unicornfish, Lipstick Tang, Redlip Surgeonfish, Barcheek Unicornfish, Masked Unicornfish, Poll Unicornfish, Striped Unicornfish, Striped-face Unicornfish and Striped-faced Unicornfish, Smooth-head Unicornfish, Naso Surgeonfish, Naso Tang, Blonde Naso Tang, True Blonde Naso.

Some Images

Description

Also called Doctorfishes, Lancetfishes, Orange-spined Unicornfish, Pacific Orangespine Unicorn, Orangespine Surgeonfish, Orange Unicorn Tang, Lipstick Unicornfish, Lipstick Tang, Redlip Surgeonfish, Barcheek Unicornfish, Masked Unicornfish, Poll Unicornfish, Striped Unicornfish, Striped-face Unicornfish and Striped-faced Unicornfish, Smooth-head Unicornfish, Naso Surgeonfish, Naso Tang, Blonde Naso Tang and True Blonde Naso.

Found in pairs or schools on shallow inner and outer reef crests and slopes, occasionally seen in deep water.
Identified by the bright orange razor-sharp spines on each side of the tail.
Small juveniles secretive among rubble boulders.
They feed on plankton and algae.
Length - 45cm
Depth - 5-30m
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.

Spotted

The Orangespine Unicornfish has been photographed 7 times by user @fishx6