Can a beginner keep this fish?

It is considered especially hardy among butterflyfish and is regarded as an entry-level species, with a beginner-friendly difficulty rating. Basic care still matters, though, such as confirming it is feeding well and keeping water quality stable.

How large does it grow?

Its maximum total length is given as 15 cm (FishBase). Choose a tank with enough room for its full adult size.

How long does it live?

There is little documentation on its lifespan, so no reliable figure is available. Plan for a long-term commitment and keep up careful water and feeding management.

Will it eat pest anemones?

It is known for eating pest anemones. How much and how eagerly it eats them varies between individuals, so it may not clear them completely.

Is it safe to keep in a reef tank?

Butterflyfish sometimes nip at corals and other invertebrates, so caution is needed. If you keep it in a reef tank, watch the individual closely and decide carefully.

Sunburst butterflyfish

The sunburst butterflyfish has a yellow-brown body with two broad, whitish vertical bands and a black band running through the eye. It reaches a maximum total length of 15 cm and is regarded as one of the hardiest members of the butterflyfish family, making it a beginner-friendly species. It is also known for eating pest anemones (called seitaka isoginchaku in Japan), which gives it a practical appeal on top of its looks. Its coloring is understated rather than flashy, but the calm pattern adds a touch of elegance to a marine tank. It is an approachable choice for anyone trying butterflyfish for the first time. Feeding habits and compatibility vary from fish to fish, so check the condition of the individual before bringing it home.

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Sunburst butterflyfish key facts

Care level: Beginner-friendly
Lifespan: Little data available
Size: Up to 15 cm TL (FishBase)
Temperature: 21〜28℃
Diet: Omnivore (soft coral polyps, algae, zooplankton)
Water Temperature & Quality: 21-28°C, specific gravity 1.020-1.026 (Saltcorner).
Container & Tank: About 280 L (75 gallons) or more, with open swimming space and live rock for shelter.
Tank Mates & Compatibility: Several can be kept together if introduced at the same time (LiveAquaria).
Reef Compatibility: It eats Aiptasia but may nip soft corals and eats tubeworms, so it is reef-safe only with caution.
Diet & Feeding: It grazes algae, so combine spirulina- or nori-based foods with meaty frozen foods such as brine shrimp and mysis, several times a day.
Health & Cautions: Hardy and a good feeder for a butterflyfish. Reluctant fish often start on opened clams on the half shell.

TraitsButterflyfishBeginnerHardyEats Aiptasia

About Sunburst butterflyfish

The sunburst butterflyfish is a hardy butterflyfish with two whitish bands and a black eye stripe on a yellow-brown body. It grows to 15 cm and suits beginners. Learn its traits, care basics and what to check before buying.

7 things to know before welcoming a Sunburst butterflyfish

1How to Recognize It
Look for a yellow-brown body with two broad, whitish vertical bands and a black band through the eye. This pattern is the key clue for telling it apart from other butterflyfish. Keep in mind that it can grow to a maximum total length of 15 cm.
2A Hardy Beginner Fish
It is considered especially hardy even among butterflyfish and is regarded as an entry-level species. That said, beginner-friendly does not mean maintenance-free, and stable water quality and careful acclimation still matter. Give it quiet time to settle in after arrival.
3Pest Anemone Control
This fish is known for eating pest anemones that can take over a tank. However, how eagerly it does so varies between individuals, so avoid buying one with the expectation that it will reliably clear them.
4Reef Tank Compatibility
Butterflyfish as a group sometimes nip at corals, clams and other invertebrates. If you plan to keep this species in a reef tank, watch the individual closely and decide with caution. It also helps to have a separate tank ready in case problems appear.
5Check Feeding First
Whether the fish is eating steadily is one of the most important things to confirm before you buy. Ask the seller which foods it accepts, such as frozen or dried foods. It also helps to check whether it is used to the foods you plan to offer at home.
6Tank Size and Tankmates
Because it can reach a maximum total length of 15 cm, provide a tank with room to swim. Butterflyfish sometimes squabble with one another, so introduce tankmates gradually and watch how they get along.
7Health and Quarantine
Quarantining a new fish in a separate tank while watching for issues such as white spot disease can be helpful. Observe its appetite, swimming and body surface every day, and act early if anything looks off.

Frequently asked questions about Sunburst butterflyfish

Q.Can a beginner keep this fish?: A.It is considered especially hardy among butterflyfish and is regarded as an entry-level species, with a beginner-friendly difficulty rating. Basic care still matters, though, such as confirming it is feeding well and keeping water quality stable.
Q.How large does it grow?: A.Its maximum total length is given as 15 cm (FishBase). Choose a tank with enough room for its full adult size.
Q.How long does it live?: A.There is little documentation on its lifespan, so no reliable figure is available. Plan for a long-term commitment and keep up careful water and feeding management.
Q.Will it eat pest anemones?: A.It is known for eating pest anemones. How much and how eagerly it eats them varies between individuals, so it may not clear them completely.
Q.Is it safe to keep in a reef tank?: A.Butterflyfish sometimes nip at corals and other invertebrates, so caution is needed. If you keep it in a reef tank, watch the individual closely and decide carefully.