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Horned bannerfish (Heniochus varius) — Chaetodontidae

Horned bannerfish

Heniochus varius
LC · Least Concern

The Horned bannerfish (Heniochus varius) is a saltwater fish of the family Chaetodontidae that grows up to 19 cm.

Length
19 cm
Water
Saltwater
Depth
0–30 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Central Indo-Pacific; deep lagoons and steep outer reef slopes.
Edibility
Not eaten

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Description

The horned bannerfish is a butterflyfish (Chaetodontidae) from the Indo-Pacific. The species grows to about 19 cm and has a deep, dark-brown body with white bands, an elongated dorsal-fin pennant and, above the eyes and on the nape, bony projections like little horns, to which the name refers. It occurs in deep lagoons and on steep outer reef slopes with mixed algae and coral growth, solitary or in small groups. It feeds on coral polyps and other invertebrates. The species is harmless to humans.

Frequently asked questions

How do you recognise the Horned bannerfish?

The Horned bannerfish has a flattened, disc-shaped body, is mainly brown and shows a vertical stripes pattern. Bony projections like small horns above the eyes and a pennant-shaped dorsal fin.

Where does the Horned bannerfish live?

The Horned bannerfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Central Indo-Pacific; deep lagoons and steep outer reef slopes.

How big does the Horned bannerfish get?

The Horned bannerfish grows to a maximum of about 19 cm.

Is the Horned bannerfish dangerous to humans?

No, the Horned bannerfish is harmless to humans. None required: this species is harmless to humans.

Is the Horned bannerfish edible?

The Horned bannerfish is not usually eaten.

More photos

Horned bannerfish (Heniochus varius) — Chaetodontidae — 2
iNaturalist ((c) John Thorogood, some rights reserved (CC BY-NC))
Horned bannerfish (Heniochus varius) — Chaetodontidae — 3
iNaturalist ((c) Hazel, some rights reserved (CC BY-NC))
Horned bannerfish (Heniochus varius) — Chaetodontidae — 4
iNaturalist ((c) Roxanne Lazarus, some rights reserved (CC BY-NC))
Horned bannerfish (Heniochus varius) — Chaetodontidae — 5
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))

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All data

Identification

English name
Horned bannerfish verified
Scientific name
Heniochus varius
Family
Chaetodontidae
Other names
Horned bannerfish; Horned bull-fish; Humphead bannerfish; Humphead butterflyfish; Hunchbacked bullfish; Hunchbacked coralfish verified

Appearance

Size class
Medium verified
Max length (cm)
19 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown
Pattern
Vertical bars
Tail shape
Straight
Mouth position
Terminal
Lips
Thick / fleshy
Barbels
No sourced
Dorsal fins
One continuous
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0 verified
Max depth (m)
30 verified
Natural range
Central Indo-Pacific; deep lagoons and steep outer reef slopes.
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Coral polyps and other invertebrates sourced
Social behaviour
Small groups
Territorial
No
Activity
Diurnal
Reproduction
Separate sexes sourced
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.
Special features
Bony projections like small horns above the eyes and a pennant-shaped dorsal fin. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures.
Regulations source

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Heniochus

More from the family Chaetodontidae

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