The bristle-tail file fish is a calm and helpful saltwater fish. It swims peacefully through the aquarium and observes everything very closely with its big eyes. As an aiptasia-eater it is very popular among aquarists.
Notice 26.09.20: The captive-bred fish measure about 3-4 cm and are still relatively small.
Acreichthys tomentosus - a saltwater fish for aquariums above 300 liters
With its calm nature and a maximum size of 12 cm, the bristle-tail file fish is a perfect candidate for saltwater tanks from 300 liters upwards. It stays mainly close to the reef structure and is peaceful towards other tank inhabitants. The body color can change depending on the mood and environment - very interesting to observe!
The bristle-tail file fish an aiptasia eater and manjano killer
Acreichthys tomentosus is a good choice to get an infestation of aiptaisa or manjano in your tank under control. Keep in mind, however, that brstle-tail file fish are not 100% "reefsafe". This means that every now and then there are individuals that can nibble on Acanthastrea, button polyps or Xenia.
Aquacultured in EU
24 - 27 °C
7 - 10 cm
single or pairs calm and peaceful fish slow feeder; avoid feeding competition
small frozen food like red plankton, copepods and lobster eggs small dry food
Ammonia: below 0,05 mg/l Nitrite: below 0,02 mg/l Nitrate: 0 - 100 mg/l Salinity (PSU): 31 – 35 Alkalinity: 8 - 10 °dKH