HomeFish encyclopediaRay-finned fishesToadfishesToadfishesGrunting toadfish Grunting toadfish (Allenbatrachus grunniens) Scientific name: Allenbatrachus grunniens Linnaeus, 1758 The Grunting toadfish (Allenbatrachus grunniens) is a brackish-water fish of the family Batrachoididae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: Indo-West Pacific. Recorded from the Persian Gulf. Known from the Mekong delta. Grunting toadfish care at a glanceTemperature23–28°C (73–82°F) BiologyOccurs in bottom areas mainly in the coastal waters. Euryhaline. Found in the sea and estuarine areas. Occurs in estuaries over muddy bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAllenbatrachus grunniensFamilyBatrachoididae (Toadfishes)OrderBatrachoidiformes (Toadfishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; brackish;; pH range: 7.8 - 8.5 demersal; amphidromousClimateTropicalDistributionIndo-West Pacific. Recorded from the Persian Gulf. Known from the Mekong delta.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: of no interestResilienceMedium, 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