HomeFish encyclopediaRay-finned fishesCatfishThree-barbeled catfishesTonala catfish Tonala catfish (Rhamdia parryi) Scientific name: Rhamdia parryi Eigenmann & Eigenmann, 1888 The Tonala catfish (Rhamdia parryi) is a freshwater fish of the family Heptapteridae. Native range: Central America, Pacific draining rivers from Tapanatepec River in Mexico to southern Guatemala. Species factsScientific nameRhamdia parryiFamilyHeptapteridae (Three-barbeled catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; benthopelagicClimateTropicalDistributionCentral America: Pacific draining rivers from Tapanatepec River in Mexico to southern Guatemala.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026