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Bony fish

Horn-nosed Boxfish

Ostracion rhinorhynchos

Also known as: Cowfish, Horn-nose Boxfish, Horn-nosed Cowfish, Horn-nosed Trunkfish, Largenose Boxfish, Rhino Boxfish, Trunkfish

LCLeast ConcernIUCN Red List, 2024
VenomousKeep your distance
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Juvenile
1
@fishx6 · Lembeh Resort, Indonesia · August 20081 / 9
01

Overview

Found singly or in pairs, over rubble substrates and coral patches, in channels, between sheltered inner reefs, or in deep sandy lagoons.

The bodies of Boxfish are covered in a toxic mucus which can be released when stressed.

02

How to identify

COLOURS
Pattern
black spothexagonalspots
Behaviour
pairssolitary

Tap any trait to see other fish that share it.

03

Habitat & where to find it

  • Range · Indo-West Pacific
  • Country only · 9
LIVES IN

Found singly or in pairs, over rubble substrates and coral patches, in channels, between sheltered inner reefs, or in deep sandy lagoons.

RANGE
04

Juvenile photos 9

05

Discussion

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    ALL STAGES
    FOR THE MARINE-BIOLOGY CURIOUS

    Deep dive

    Taxonomy

    1. kingdomAnimalia
    2. phylumChordata
    3. classTeleostei
    4. orderTetraodontiformes
    5. familyOstraciidae
    6. genusOstracion
    7. speciesOstracion rhinorhynchos Bleeker, 1851

    SourcesWoRMSFishBase

    06

    More in the family

    Boxfishes (Ostraciidae)

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    4 photos

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    Lactoria cornuta

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    Lactoria diaphana

    0 photos

    Scrawled Cowfish

    Acanthostracion quadricornis

    6 photos

    Shortnose Boxfish

    Ostracion nasus

    1 photo

    Smallspine Turretfish

    Tetrosomus reipublicae

    0 photos

    Solor Boxfish

    Ostracion solorense

    6 photos