HomeFish encyclopediaRay-finned fishesSmeltsGalaxiidsTasmanian mudfish Tasmanian mudfish (Neochanna cleaveri) Scientific name: Neochanna cleaveri Scott, 1934 The Tasmanian mudfish (Neochanna cleaveri) is a freshwater fish of the family Galaxiidae. In the aquarium it needs water at 10–20°C (50–68°F). Native range: Oceania, Northern, western and southeastern coasts of Tasmania; also from Flinders Island in Bass Strait and Wilson's Promontory, Victoria. Tasmanian mudfish care at a glanceTemperature10–20°C (50–68°F) BiologyOccurs in swamps, drains and ponds. The species is likely capable of aestivation as individuals are sometimes encountered in mud or beneath logs or stones when pools dry up. Feeds partly on bottom detritus and insects.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeochanna cleaveriFamilyGalaxiidae (Galaxiids)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length12.5Common length10.0EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTemperateDistributionOceania: Northern, western and southeastern coasts of Tasmania; also from Flinders Island in Bass Strait and Wilson's Promontory, Victoria.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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