HomeFish encyclopediaRay-finned fishesToadfishesToadfishesWalter's toadfish Walter's toadfish (Batrachoides waltersi) Scientific name: Batrachoides waltersi Collette & Russo, 1981 The Walter's toadfish (Batrachoides waltersi) is a freshwater fish of the family Batrachoididae. Native range: Eastern Central Pacific, mouth of the Dulce River, Mexico to Gulf of Nicoya, Costa Rica. Species factsScientific nameBatrachoides waltersiFamilyBatrachoididae (Toadfishes)OrderBatrachoidiformes (Toadfishes)ClassActinopterygii (Ray-finned fishes)Maximum length29.2EnvironmentMarine; freshwater; brackish; demersalClimateTropicalDistributionEastern Central Pacific: mouth of the Dulce River, Mexico to Gulf of Nicoya, Costa Rica.Conservation status (IUCN)Least Concern (LC)Threat 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