HomeFish encyclopediaRay-finned fishesPerch-like fishCales and weed-whitingsTubemouth Tubemouth (Siphonognathus argyrophanes) Scientific name: Siphonognathus argyrophanes Richardson, 1858 The Tubemouth (Siphonognathus argyrophanes) is a marine fish of the family Odacidae. Native range: Eastern Indian Ocean, southern Australia, from Perth, Western Australia to Flinders Island, Tasmania. BiologyApparently restricted to areas with thick growths of seagrass such as Posidonia, within embayments and relatively sheltered waters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSiphonognathus argyrophanesFamilyOdacidae (Cales and weed-whitings)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Depth range1–40 m (3–131 ft)EnvironmentMarine; demersal; depth range 1 - 40 mClimateSubtropicalDistributionEastern Indian Ocean: southern Australia, from Perth, Western Australia to Flinders Island, Tasmania.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