HomeFish encyclopediaRay-finned fishesPerch-like fishMarblefishesMarblefish Marblefish (Aplodactylus arctidens) Scientific name: Aplodactylus arctidens Richardson, 1839 The Marblefish (Aplodactylus arctidens) is a marine fish of the family Aplodactylidae. Native range: Indo-Pacific, southern Australia and New Zealand. BiologyInhabits weedy reef slopes. Feeds on algae and the small invertebrates living amongst it.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAplodactylus arctidensFamilyAplodactylidae (Marblefishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length65.0Depth range0–40 m (0–131 ft)EnvironmentMarine; reef-associated; depth range 0 - 40 m, usually 0 - 15 mClimateTemperateDistributionIndo-Pacific: southern Australia and New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026