HomeFish encyclopediaRay-finned fishesPerch-like fishCales and weed-whitingsRainbow cale Rainbow cale (Odax acroptilus) Scientific name: Odax acroptilus Richardson, 1846 The Rainbow cale (Odax acroptilus) is a marine fish of the family Odacidae. BiologyMainly restricted to exposed coastlines with rocky reefs covered with brown macroalgae and areas with broad-leafed seagrasses, such as Posidonia.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOdax acroptilusFamilyOdacidae (Cales and weed-whitings)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Depth range1–15 m (3–49 ft)EnvironmentMarine; reef-associated; depth range 1 - 15 mClimateSubtropicalDistributionEastern Indian Ocean: southern coast of Australia: Bacon Island, Western Australia to Newcastle, New South Wales; including the northern coast of Tasmania to as far as St. Helens.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026