WHATSTHATFISH
Bony fish

Razor Surgeonfish

Prionurus laticlavius

Also known as: Doctorfish, Galapagos Surgeonfish, Lancetfish, Razor Sawtail, Thorntail Fish, Thorntail, Yellowtail Doctorfish, Yellowtail Surgeonfish, Yellow-tailed Sawfish, Yellow-tailed Surgeonfish

LCLeast ConcernIUCN Red List, 2012
Adult
@eguiney · Galapagos Agressor, Ecuador · May 20151 / 2
01

Overview

Found in large schools, grazing on algae from corals and rocks, over shallow areas of coastlines and lagoons rich in algae growth.

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.

02

How to identify

COLOURS
Fins & Tail
yellow tail
Behaviour
schooling

Tap any trait to see other fish that share it.

03

Habitat & where to find it

  • Range · Eastern Central Pacific
  • Exact location · 1
  • Country only · 1
LIVES IN

Found in large schools, grazing on algae from corals and rocks, over shallow areas of coastlines and lagoons rich in algae growth.

04

Adult photos 2

06

Discussion

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    ALL STAGES
    FOR THE MARINE-BIOLOGY CURIOUS

    Deep dive

    Taxonomy

    1. kingdomAnimalia
    2. phylumChordata
    3. classTeleostei
    4. orderAcanthuriformes
    5. familyAcanthuridae
    6. genusPrionurus
    7. speciesPrionurus laticlavius (Valenciennes, 1846)

    SourcesWoRMSFishBase

    07

    More in the family

    Surgeonfishes-Tangs-Unicornfishes (Acanthuridae)