HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersMueller's flounder Mueller's flounder (Arnoglossus muelleri) Scientific name: Arnoglossus muelleri Klunzinger, 1872 The Mueller's flounder (Arnoglossus muelleri) is a marine fish of the family Bothidae. Native range: Eastern Indian Ocean, southern Australia, from southern Western Australia to Victoria and Tasmania. Species factsScientific nameArnoglossus muelleriFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Depth range5–200 m (16–656 ft)EnvironmentMarine; demersal; depth range 5 - 200 mClimateTemperateDistributionEastern Indian Ocean: southern Australia, from southern Western Australia to Victoria and Tasmania.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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