
Pearlscale butterflyfish
Chaetodon xanthurus
Timid and never still, probing the rock and nipping polyps all day.
The Pearlscale butterflyfish (Chaetodon xanthurus) is a tropical marine fish of the family Chaetodontidae. It lives on and around reefs, between 6 and 50 m deep. Adults grow to about 12 cm; the largest on record measured 14 cm (standard length). In the aquarium it needs a tank at least 120 cm long and water at 23–27 °C.
- Size
- 12 cm
- Smallest tank
- 120 cm
- Temperature
- 23–27 °C
- Care
- Demanding
In the aquarium
Temperature23–27 °C
pH7.8–8.5
- Temperament
- Peaceful
- Diet
- Omnivore
- Activity
- Moderate
- Water layer
- Mid water
- Group
- Lives on its own
- Coral
- Nips corals
These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.
Which tank it fits
- Nano60 cm · 65 litresToo small
- Standard90 cm · 180 litresToo small
- Wide120 cm · 300 litres16 of them
- Living room180 cm · 650 litres36 of them
- Showcase250 cm · 1,200 litres66 of them
- Gallery300 cm · 1,440 litres80 of them
Who it lives with
Gets along89 species
- Tomato clownfish
- Lemonpeel angelfish
- Bicolor angelfish
- Melanurus wrasse
- Scott's fairy wrasse
- Exquisite fairy wrasse
- Lawnmower blenny
- Midas blenny
- Starry blenny
- Longnose hawkfish
- Aiptasia-eating filefish
- Clarkii clownfish
- Yellow coris wrasse
- Leopard wrasse
- Diamond watchman goby
- Valentini puffer
- Kole tang
- Flame angelfish
- Coral beauty angelfish
- Potter's angelfish
- Radiant wrasse
- Mystery wrasse
- Cleaner wrasse
- Bicolor blenny
Caution1 species
Narrow shared temperature range
Not together9 species
In the wild
- Water type
- Marine
- Climate zone
- Tropical
- Habitat
- Coral and rocky reefs
- Largest on record
- 14 cmstandard length, tail fin excluded
- Aquarium trade
- Traded commercially
Depth
surface
6 m50 m
Conservation status
Classification
- OrderAcanthuriformes
- FamilyChaetodontidae
- GenusChaetodon
- SpeciesChaetodon xanthurus
- Described byBleeker, 1857
In other languages
- English
- Crosshatch Butterflyfish
- German
- Orangen-Gitterfalterfisch
- Spanish
- Pez Mariposa de Cola Dorada
- French
- Poisson-papillon à queue orange
- Italian
- Pesce farfalla arancione
- Russian
- Сетчатая оранжевохвостая рыба-бабочка
- Japanese
- アミメチョウチョウウオ
- Chinese
- 紅尾蝴蝶魚
Quick answers
- Pearlscale butterflyfish size: how big does it get?
- Adults reach about 12 cm. The largest on record measured 14 cm (standard length). Record sizes among the 36 Chaetodon species on LumaReef: 12 cm (Spotted Butterflyfish) to 30 cm (Saddle Butterflyfish).
- Pearlscale butterflyfish tank size: what is the minimum?
- A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.
- Pearlscale butterflyfish water parameters: what does it need?
- Temperature 23–27 °C, pH 7.8–8.5. Close to what most Chaetodontidae on LumaReef need (23–27 °C).
- Pearlscale butterflyfish tank mates: what can it live with?
- It gets along with 89 of the 99 reef species in the catalogue, such as Tomato clownfish, Lemonpeel angelfish, and Bicolor angelfish.
- Pearlscale butterflyfish: alone or in a group?
- It can be kept on its own.
- Pearlscale butterflyfish and corals: is it reef safe?
- No, it may nip at corals.
- Pearlscale butterflyfish depth: how deep does it live?
- In the wild, 6 to 50 m down. Close to most Chaetodon on LumaReef (1–40 m).
Similar species
Sources
Pearlscale butterflyfish: compiled from these references.









