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Six Bar Angel (Pomacanthus sexstriatus)

Six Bar Angel

Pomacanthus sexstriatus
Family
Angel
Care level
Advanced
Temperament
Aggressive
Reef safe
Not reef safe
Max size
46 cm
Min tank
1000 L · 264 gal
Origin
Indo-Pacific
Diet
Omnivore
Food
Nori, Sponge-based frozen preps, Marine pellets, Mysis

Overview

The Six Bar Angel is a large, impressive angelfish with a dark body crossed by pale vertical bars in its juvenile and subadult form, maturing into a bolder, more solidly coloured adult with a distinctive facial pattern. It's a true large angelfish and needs a genuinely big, mature tank to do well long term.

Juveniles are sometimes purchased small without full consideration of their eventual size and dietary needs, so this is very much a fish for keepers planning a large, dedicated system rather than a typical mixed reef tank.

It's a hardy species once established in adequate space, but its size, waste production, and reef-incompatible feeding habits make it a poor fit for anything other than a large fish-only or FOWLR system.

Compatibility

Six Bar Angels can be aggressive, particularly toward other large angelfish and similarly sized fish competing for territory, and are best kept as the dominant angel in a large system added with care around stocking order. They generally coexist with large tangs, triggers, and other robust fish able to hold their own.

This species is not reef safe — it will consistently eat or pick at large-polyp stony corals, soft corals, clam mantles, and sponges, making it unsuitable for a coral-focused reef tank.

Health & quarantine

As with all large angelfish, a minimum four-week quarantine with careful monitoring for ich, velvet, and bacterial infection is strongly recommended. This species needs excellent, stable water quality and strong filtration given its size and appetite, and its wild diet is quite specialised, so getting it onto a varied prepared diet during quarantine is an important early step.

Frequently asked questions

Is the Six Bar Angel reef safe?
No, it will reliably eat or damage LPS corals, soft corals, clam mantles and sponges, making it unsuitable for reef tanks.
How big does a Six Bar Angel get?
Up to around 46cm, making it one of the largest commonly kept angelfish and requiring a very large, dedicated tank.
Can I keep a juvenile Six Bar Angel in a smaller tank temporarily?
This isn't recommended — it's better to plan for the adult tank size from the start rather than needing to rehome a large, established fish later.
What tank size does a Six Bar Angel need?
At least 1000 litres given its adult size, appetite, and waste production.
Is the Six Bar Angel aggressive?
Yes, particularly toward other large angelfish, so stocking order and tank size matter if keeping it with other robust fish.

Care guidance is drawn from our own experience — every fish is an individual, so treat it as a starting point, not a guarantee. Not sure if a species suits your tank? Come ask us in store. New to the terms? Read the care-terms glossary.