Bignose Unicornfish (Naso vlamingii)

Also known as Bignose Unicorn, Bignose Unicorn Tang, Big-nosed Unicornfish, Blue-lipped Unicornfish, Doctorfishes, Lancetfishes, Scibbled Unicornfish, Vlamingii Tang, Vlaming's Unicornfish, Zebra Unicornfish

Description

Also known as Bignose Unicorn, Bignose Unicorn Tang, Big-nosed Unicornfish, Blue-lipped Unicornfish, Doctorfishes, Lancetfishes, Scibbled Unicornfish, Vlamingii Tang, Vlaming's Unicornfish, Zebra Unicornfish.

Found singly, pairs or in small schools over deep drop-offs, lagoons and seaward reefs.
Sometimes congregating in large caves during the day.
They feed on zooplankton.
Adults change all the time from pale to dark.
Juvenile's are a dingy green with blue lips and spots later changing to a bluer fish with purple markings. However while the fish sleeps, or is frightened, it turns a muddy brown as camouflage.
These fish love to play in divers bubbles!!
Length - 60cm
Depth - 1-50m
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/Naso-vlamingii

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