Is the Bicolor Angelfish reef safe?

It is considered 'reef safe with caution'. They are notorious for nipping at LPS corals, clam mantles, and some soft corals, so they are best kept in FOWLR (Fish Only With Live Rock) tanks or with SPS corals that are less prone to being nipped.

Can I keep two Bicolor Angelfish together?

Usually, this is not recommended unless you have a very large aquarium (over 500 litres) and can guarantee a male-female pair. Two males will fight relentlessly, often to the death.

Why is my new Bicolor Angelfish hiding all the time?

They naturally require extensive rockwork to feel secure. If newly introduced, they may hide for several days while they acclimatise. Ensure tankmates are not harassing them and that water parameters are pristine.

How can I get my Bicolor Angelfish to eat?

Offer a variety of high-quality frozen foods like mysis shrimp alongside marine algae sheets attached to a clip. Soaking food in garlic extract can sometimes stimulate a reluctant feeder. Ensure the tank has plenty of mature live rock for natural grazing.

MarineMarineIntermediate

Bicolor Angelfish

Centropyge bicolor

A striking marine dwarf angelfish displaying a vivid split of bright yellow and deep royal blue, popular for its vibrant contrast.

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Ideal Conditions

Temperature: 22 – 26 °C
pH range: 8.1 – 8.4
Hardness: 14 – 22 dGH
Salinity: 1.02 – 1.025 SG
Adult size: 10 – 15 cm
250 Litres: 250 litres+
Lifespan: 5 – 10 years
Diet: Omnivore
Water flow: Moderate
Preferred setup: Ample live rock with numerous caves and crevices for grazing and hiding.

About the Bicolor Angelfish

The Bicolor Angelfish, Centropyge bicolor, is one of the most recognisable dwarf angels in the marine aquarium hobby. Its distinct two-toned colouration makes it an eye-catching centrepiece for established marine systems. However, it carries a reputation for being slightly more sensitive and less reef-safe than other members of its genus, requiring dedicated care.

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Is it right for your tank?

Check Bicolor Angelfish against a habitat you already keep. We compare water type, temperature, pH, adult size, group needs and everything living there.

Where Bicolor Angelfish comes from

Native range

Indo-Pacific, Oceania

Countries / regions

Australia, Indonesia, Philippines, Fiji, Japan

Habitat

Coral reefs, lagoons, and rubble zones with abundant hiding spaces and algae growth.

Widespread across the Indo-Pacific from East Africa to the Samoan Islands.

Similar species

Coral Beauty Angelfish
Centropyge bispinosa
Flame Angelfish
Centropyge loricula
Lemonpeel Angelfish
Centropyge flavissima

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Ocellaris Clownfish
Amphiprion ocellaris
Occupies a different niche and possesses a peaceful temperament that does not provoke the angelfish.
Great
Yellow Tang
Zebrasoma flavescens
A larger, active herbivore that holds its own without being overly aggressive towards dwarf angels.
Great
Sixline Wrasse
Pseudocheilinus hexataenia
Active and robust enough to ignore the angelfish, whilst sharing similar water parameter requirements.
Great
Coral Beauty Angelfish
Centropyge bispinosa
High risk of congeneric aggression. Mixing dwarf angelfish species requires a very large tank with abundant visual barriers.
Compatible with caution
Open Brain Coral
Trachyphyllia geoffroyi
Bicolor Angelfish are notorious for nipping at the fleshy polyps of large-polyp stony (LPS) corals.
Compatible with caution
Flame Angelfish
Centropyge loricula
Keeping two aggressive dwarf angelfish species in the same standard-sized aquarium will likely lead to fatal territorial disputes.
Not recommended

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