The orangebar butterflyfish

orangebar butterflyfish

Scientific name	Chaetodon mertensii
Descriptor	Cuvier
Year of description	1831
IUCN category (World)	LC
Family	Chaetodontidae
Genus	Chaetodon

Introduction

Chaetodon mertensii, commonly known as orangebar butterflyfish, is a salt water fish.

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Who is it?

Morphology

Average size

10 cm
Maximum size

12.5 cm
Shape

Circular
Pattern

diagonal stripes

Average size

10 cm
Maximum size

12.5 cm
Shape

Circular
Pattern

diagonal stripes

How to recognize the orangebar butterflyfish ?

The orangebar butterflyfish measures between 10 and 12.5 cm. This fish is tricolore with a predominantly jaune, noir and blanc body. The also has noir diagonal stripes.

Behaviour & Life cycle

diet

omnivorous with herbivorous tendency
Sociability

living as a couple or alone
territorial

No
Way of living

diurnal

The orangebar butterflyfish is a fish living as a couple or alone naturally found near the bottom. This species is omnivorous with herbivorous tendency .

n general, this species does not care much about other animals crossing its path. However, she may show some signs of aggression with conspecifics.

Reproduction

Reproduction

ovipare

The orangebar butterflyfish is a fish ovipare.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

Origin

Great Barrier Reef Philippine Sea Indonesian seas Western Tropical Pacific Ocean Oceania

Conservation status of populations (IUCN)

World : LC

Where to see this species?

What is its habitat?

Natural environment characteristics

Temperature

24 - 28 °C
Depth

0 - 120 m

Biotope presentation

The orangebar butterflyfish is most often found at a depth between 0m and 120m. However, it is not impossible to find this species at other depths.

Species of the same biotope

yellow and blueback fusilier Caesionidae

To go further

Species of the same family

unicorn pennant coralfish Chaetodontidae

black long-nosed butterflyfish Chaetodontidae

brown-and-white butterflyfish Chaetodontidae

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Adrien Falzon

Translation

Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.