HomeFish encyclopediaRay-finned fishesFlatfishesSolesEstuary sole Estuary sole (Pardachirus poropterus) Scientific name: Pardachirus poropterus Bleeker, 1851 The Estuary sole (Pardachirus poropterus) is a freshwater fish of the family Soleidae. Native range: Asia and Oceania, Indonesia, New Guinea and northern Australia. Reported from the Philippines. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 62-72; Anal spines: 0; Anal soft rays: 45 - 49Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePardachirus poropterusFamilySoleidae (Soles)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range122–205 m (400–673 ft)EnvironmentFreshwater; brackish; demersal; depth range 122 - 205 mClimateTropicalDistributionAsia and Oceania: Indonesia, New Guinea and northern Australia. Reported from the Philippines.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