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Fish Saltwater Care: hard Semi-aggressive

Majestic Angelfish

Pomacanthus navarchus
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Other names: Blue-girdled angelfish, Navarchus angelfish
Group: Marine fish · Family: Pomacanthidae · Origin: Western Pacific — Indonesia, the Philippines, Papua New Guinea and northern Australia

A striking large angelfish with a navy-blue face and chest, a blue-spotted orange-yellow back and electric-blue lines. It reaches 28 cm; acclimation is difficult and it is not suitable for a reef aquarium.

Will it suit my tank?

Last updated October 16, 2026

Temperature
24–27°C
pH
8.1–8.4
Adult size
28 cm
Minimum tank size
800 liters
Social structure
Solitary
Swimming zone
Middle
Diet
Omnivore
Breeding
Egg scatterer

Water parameters

Temperature24–27°C
pH8.1–8.4
Recommended range
Eats coral (not reef safe) At most 1 per tank

Overview

October 16, 2026 · Suggest an edit

The majestic angelfish is a species that stays relatively small among the large angelfish (Pomacanthus), reaching 28 cm. Its face, chest and belly are dark navy blue outlined by electric-blue lines; its back and flanks are orange-yellow decorated with small blue spots, and its tail is yellow. Juveniles carry white curved lines on a dark blue base. All specimens are wild-collected and acclimate to the aquarium with difficulty; do not buy one without seeing it eat in the store.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 800 liters and 180 cm in length; a rock layout with caves and passages.
  • Salinity specific gravity 1.023–1.026, pH 8.1–8.4, temperature 24–27°C; stable and very clean water.
  • Not reef-safe: it nips LPS and soft corals, zoanthids and Tridacna clams.
  • A calm environment and a long quarantine period make acclimation easier.

Diet

October 16, 2026 · Suggest an edit

Omnivorous. Angelfish foods containing sponge should be the staple; vary the diet with frozen mysis, chopped mussels and shrimp, and dried seaweed. Small amounts 2–3 times a day.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

One of the shyer large angelfish; once settled, it defends its own territory. It is aggressive towards its own species and other large angelfish.

Good companions: In a large, calm aquarium, tangs, Heniochus, foxface, anthias, calm wrasses.

Avoid: Other large angelfish, reefs with corals and Tridacna clams, aggressive triggerfish.

A short profile for this species

The Majestic Angelfish page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.

Tank mates

This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.

Should not be kept together

Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026