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Aiptasia-eating filefish, photographed on a transparent background

ReefIn the market380 coinsUncommon

Aiptasia-eating filefish

Acreichthys tomentosus

It drifts on quivering fins and changes color to match its surroundings.

The Aiptasia-eating filefish (Acreichthys tomentosus) is a tropical marine fish of the family Monacanthidae. It lives on and around reefs, between 2 and 15 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 75 cm long and water at 23–27 °C.

Size
12 cm
Smallest tank
75 cm
Temperature
23–27 °C
Care
Moderate

In the aquarium

Temperature23–27 °C
pH7.8–8.5
Temperament
Peaceful
Diet
Omnivore
Activity
Calm
Water layer
Mid water
Group
Lives on its own
Coral
Nips corals
Drawn to scale in a 75 cm tank

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 litres12 of them
  • Wide120 cm · 300 litres20 of them
  • Living room180 cm · 650 litres43 of them
  • Showcase250 cm · 1,200 litres80 of them
  • Gallery300 cm · 1,440 litres96 of them

Who it lives with

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

Conservation status

Classification

  1. OrderTetraodontiformes
  2. FamilyMonacanthidae
  3. GenusAcreichthys
  4. SpeciesAcreichthys tomentosus

In other languages

English
Bristle-tail Leatherjacket
German
Seegras-Feilenfisch
Italian
Pesce lima coda di setola
Japanese
フチドリカワハギ
Chinese
白線鬃尾單棘魨

Quick answers

Aiptasia-eating filefish size: how big does it get?
Adults reach about 12 cm. The largest on record measured 14 cm (standard length). Record sizes among the 33 Monacanthidae species on LumaReef: 10 cm (Southern Pygmy Leatherjacket) to 110 cm (Scrawled Filefish).
Aiptasia-eating filefish tank size: what is the minimum?
A tank at least 75 cm long. In LumaReef that is the Standard tank or larger.
Aiptasia-eating filefish water parameters: what does it need?
Temperature 23–27 °C, pH 7.8–8.5.
Aiptasia-eating filefish 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.
Aiptasia-eating filefish: alone or in a group?
It can be kept on its own.
Aiptasia-eating filefish and corals: is it reef safe?
No, it may nip at corals.
Aiptasia-eating filefish depth: how deep does it live?
In the wild, 2 to 15 m down. Shallower than most Monacanthidae on LumaReef (1–43 m).

All Monacanthidae speciesAll species A–Z

Sources

Aiptasia-eating filefish: compiled from these references.