
Threadfin butterflyfish
Chaetodon auriga
It roams and pecks nonstop, the butterfly hardest on the corals.
The Threadfin butterflyfish (Chaetodon auriga) is a tropical marine fish of the family Chaetodontidae. It lives on and around reefs, between 0 and 60 m deep. Adults grow to about 20 cm; the largest on record measured 25 cm (total length). In the aquarium it needs a tank at least 180 cm long and water at 23–27 °C.
- Size
- 20 cm
- Smallest tank
- 180 cm
- Temperature
- 23–27 °C
- Care
- Moderate
In the aquarium
Temperature23–27 °C
pH7.8–8.5
- Temperament
- Semi-aggressive
- 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 litresToo small
- Living room180 cm · 650 litres21 of them
- Showcase250 cm · 1,200 litres40 of them
- Gallery300 cm · 1,440 litres48 of them
Who it lives with
Gets along56 species
- Purple tang
- Powder blue tang
- Foxface rabbitfish
- Lunare wrasse
- Blue tang
- Regal angelfish
- Pyramid butterflyfish
- Maroon clownfish
- Copperband butterflyfish
- Longnose butterflyfish
- Picasso triggerfish
- Diamond watchman goby
- Melanurus wrasse
- Exquisite fairy wrasse
- Lawnmower blenny
- Starry blenny
- Pearlscale butterflyfish
- Aiptasia-eating filefish
- Yellow coris wrasse
- Leopard wrasse
- Domino damselfish
- Emperor angelfish
- Radiant wrasse
- Cleaner wrasse
Caution43 species
Both semi-aggressive
- Squarespot anthias
- Yellow tang
- Scopas tang
- Convict tang
- Raccoon butterflyfish
- Dwarf lionfish
- Engineer goby
- Kole tang
- Tomato clownfish
- Sailfin tang
- Lemonpeel angelfish
- Bicolor angelfish
- Scott's fairy wrasse
- Midas blenny
- Longnose hawkfish
- Clarkii clownfish
- Valentini puffer
- Naso tang
- Flame angelfish
- Coral beauty angelfish
- Potter's angelfish
- French angelfish
- Mystery wrasse
- Blackcap basslet
- Porcupine puffer
- Rusty angelfish
- Canary blenny
- Striped fang blenny
- Neon dottyback
- Bartlett's anthias
- Clownfish
- Flame hawkfish
- Orchid dottyback
- Banggai cardinalfish
- Percula clownfish
- Cherub angelfish
- Sixline wrasse
- Falco hawkfish
- Yellowtail damselfish
- Azure damselfish
- Volitans lionfish
- Niger triggerfish
Narrow shared temperature range
In the wild
- Water type
- Marine
- Climate zone
- Tropical
- Habitat
- Coral and rocky reefs
- Largest on record
- 25 cmtotal length
- Aquarium trade
- Traded commercially
Depth
surface
0 m60 m
Conservation status
Classification
- OrderAcanthuriformes
- FamilyChaetodontidae
- GenusChaetodon
- SpeciesChaetodon auriga
- Described byForsskål, 1775
In other languages
- German
- Fähnchen-Falterfisch
- Spanish
- Pez mariposa de hebra
- French
- Poisson-papillon cocher
- Italian
- Pesce farfalla filamentoso
- Dutch
- Oogvlekkoraalvlinder
- Russian
- Клинополосая Рыба-бабочка
- Japanese
- トゲチョウチョウウオ
- Chinese
- 揚旛蝴蝶魚
Quick answers
- Threadfin butterflyfish size: how big does it get?
- Adults reach about 20 cm. The largest on record measured 25 cm (total length). Record sizes among the 36 Chaetodon species on LumaReef: 12 cm (Spotted Butterflyfish) to 30 cm (Saddle Butterflyfish).
- Threadfin butterflyfish tank size: what is the minimum?
- A tank at least 180 cm long. In LumaReef that is the Living room tank or larger.
- Threadfin 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).
- Threadfin butterflyfish tank mates: what can it live with?
- It gets along with 56 of the 99 reef species in the catalogue, such as Purple tang, Powder blue tang, and Foxface rabbitfish.
- Threadfin butterflyfish: alone or in a group?
- It can be kept on its own.
- Threadfin butterflyfish and corals: is it reef safe?
- No, it may nip at corals.
- Threadfin butterflyfish depth: how deep does it live?
- In the wild, 0 to 60 m down. Close to most Chaetodon on LumaReef (1–40 m).
Similar species
Sources
Threadfin butterflyfish: compiled from these references.









