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Bony fish

Humpnose Bigeye Bream

Monotaxis grandoculis

Also known as: Bigeye Barenose, Bigeye Bream, Bigeye Emperor, Bigeye Sea Bream, Grand-eyed Porgy Fish, Humpnose Sea Bream, Hump-nosed Bigeye Bream, Large-eye Bream, Large-eyed Bream, Large-eyed Sea Bream, Roundtooth Large-eye Bream, Round-toothed Large-eyed Bream, Round-toothed Sea Bream

LCLeast ConcernIUCN Red List, 2016
LIFE STAGE
Add a photo
Adult
1
@fishx6 · Makunudu, Maldives · August 20071 / 28

Showing details for the adult stage. Switch stages to see how it differs.

01

Overview

Found singly or in schools, over rubble and sandy areas, close to coral reefs. Colour changes from no stripes to stripes when disturbed.
They feed nocturnally on crustaceans, molluscs, sea stars, sea urchins, tunicates, and worms.
Widespread Indo-Pacific, South Eastern Pacific

Most members of Lethrinidae are able to rapidly switch on and off dark mottled patterns, spots and bars to deter predators.

02

How to identify

COLOURS
Pattern
stripes
Head & Mouth
big eyes
Behaviour
changes colournocturnalschoolingsolitary

Tap any trait to see other fish that share it.

03

Habitat & where to find it

Where the adult stage lives, and where its photos were taken.

  • Range · Indo-Pacific, Southeast Pacific
  • Exact location · 1
  • Country only · 27
LIVES IN

Found singly or in schools, over rubble and sandy areas, close to coral reefs.

RANGE
04

Adult photos 28

05

Discussion

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    ALL STAGES
    FOR THE MARINE-BIOLOGY CURIOUS

    Deep dive

    Taxonomy

    1. kingdomAnimalia
    2. phylumChordata
    3. classTeleostei
    4. orderEupercaria incertae sedis
    5. familyLethrinidae
    6. genusMonotaxis
    7. speciesMonotaxis grandoculis (Forsskål, 1775)

    SourcesWoRMSFishBase

    06

    More in the family

    Emperors-Scavengers (Lethrinidae)

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    Lethrinus semicinctus

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    Blackeye Emperor

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    Blue-lined Large-eye Bream

    Gymnocranius grandoculis

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    Blue-spotted Large-eye Bream

    Gymnocranius microdon

    1 photo

    Eye-browed Large-eye Bream

    Gymnocranius superciliosus

    2 photos

    Grass Emperor

    Lethrinus laticaudis

    1 photo

    Longface Emperor

    Lethrinus olivaceus

    11 photos

    Longfin Emperor

    Lethrinus erythropterus

    2 photos

    Longspine Emperor

    Lethrinus genivittatus

    2 photos

    Mahsena Emperor

    Lethrinus mahsena

    JuvenileAdult

    Orange-spotted Emperor

    Lethrinus erythracanthus

    7 photos

    Orange-striped Emperor

    Lethrinus obsoletus

    JuvenileAdult