Description
Australian Fan Belly Filefish – Monacanthus chinensis
Overview:
The Australian Fan Belly Filefish is a unique and attractive marine species, recognized by its laterally compressed body, fan-shaped belly, and subtle patterns. Its calm and curious nature makes it a fascinating addition to reef and marine aquariums.
Origin:
Native to coastal waters of Australia and the Indo-Pacific region, commonly found around seagrass beds, reefs, and rocky substrates.
Feeding:
Omnivorous – feeds on algae, small invertebrates, and prepared marine foods. In captivity, provide a varied diet including spirulina, marine algae, mysis shrimp, and high-quality pellets.
Tank Mates:
Best kept with peaceful reef fish. Avoid aggressive species that may stress or harass this filefish.
Aggression:
Generally peaceful, although it may nibble on soft corals or small invertebrates in reef setups.
Experience Level:
Intermediate – suitable for aquarists experienced with stable marine aquariums and proper feeding routines.
Water Parameters:
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Temperature: 72–78°F (22–26°C)
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pH: 8.1–8.4
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Salinity: 1.020–1.025
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Minimum Tank Size: 55+ gallons
The Australian Fan Belly Filefish is a peaceful and visually intriguing species, perfect for marine enthusiasts looking to add a unique, mid-water fish with personality and charm to their reef aquarium.




