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FishMarineExpert

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Horned Bannerfish

Heniochus varius

A triangular bannerfish with horn-like bumps on its forehead. Demands specialized feeding.

Family
Chaetodontidae
Origin
Pacifico occidentale
Origin
Tropical oceans and reefsSouth and Southeast Asia
Tank use
Used in 0 tanks

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Species challenges
Water Temperature

22 °C - 26 °C

pH Value

8.1 - 8.4

Water type

Marine

Tank level

Middle

Adult size

19 cm

Species description

Geographical Origin and Habitat: Western Pacific, ranging from Indonesia to French Polynesia. Found on steep seaward slopes and lagoons.

Taxonomy and Morphology: Belongs to the family Chaetodontidae. Distinguished by bony horns on the forehead and a hump on the nape. Grows to 19 cm.

Social Behavior: Peaceful towards other species. Usually found in pairs or solitary. Best for quiet marine tanks.

Coloration and Sexual Dimorphism: Dark brown to black body with two vertical white bands on the head and mid-body. No dimorphism.

Care, breeding and tankmates

Aquarium Setup: Requires at least 300 liters (80 gallons) with plenty of live rock and caves.

Diet and Feeding: Specialized feeder on coral polyps. Difficult to transition to prepared frozen foods.

Water Quality: Demands high-quality marine water conditions, efficient protein skimming, and stable salinity.

Compatibility and Cohabitation: Compatible with peaceful tankmates.

Not reef safe:; eats corals.

Aquarium Breeding: Undocumented in home aquariums; pelagic spawners in nature.

Risks and Diseases: High risk of starvation if it refuses frozen foods. Prone to marine ich if water quality declines.

Fish profile

Temperament
Nuotatore attivo, territoriale con simili
Diet
Mangime marino variato, surgelato ed erbe marine
Tank level
Middle
Minimum group
1
Adult size
19 cm
Minimum tank volume
300 L
GH
n/a
KH
n/a
TDS
n/a
Conductivity
n/a
Feeding frequency
1-2 volte al giorno in piccole porzioni
Bioload
Medio
Flow
Flusso moderato
Reproduction
Riproduzione in acquario praticamente impossibile in cattività
Compatibility & tankmates
Non sicuro con coralli, tenere in vasche fish-only

Ecological Estimates & Biological Models

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

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Last updated: 06/13/2026