Description
Also known as Blue Tang, Doctorfish, Dusky Sailfin Tang, Lancetfish, Purple Sailfin Tang, Purple Tang, Red Sea Sailfin, Sea Sailfin Tang, Thorntail, Thorntail Fish, Yellow Dusky Sailfin Tang, Yellow Sailfin Tang, Yellow Tang, Yellowtail Sailfin Tang, Yellowtail Surgeonfish.
Found in schools, over rocky bottoms, of reefs rich in coral growth.
They feed on filamentous algae.
Length - 36cm
Depth - 0-20m
Widespread Western Indian Ocean
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/12023
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