HomeFish encyclopediaRay-finned fishesCatfishSea catfishesCominate sea catfish Cominate sea catfish (Occidentarius platypogon) Scientific name: Occidentarius platypogon G?nther, 1864 The Cominate sea catfish (Occidentarius platypogon) is a brackish-water fish of the family Ariidae. Native range: Eastern Pacific, M?xico to Per?. BiologyDiagnosis: This species is distinguished by the following characters: anterior cavities of lateral ethmoids (where the olfactory bulb is housed) greatly developed; bony excrescence of posterolateral process of lateral ethmoids prominent, completely closing the lateral fenestrae; basioccipital with a laminar bony crest bordering the anterior foramen of aortic tunnel.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOccidentarius platypogonFamilyAriidae (Sea catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Common length25.0EnvironmentMarine; brackish; demersal, usually 60 - ? mClimateTropicalDistributionEastern Pacific: M?xico to Per?.Conservation status (IUCN)Least Concern (LC)Threat to humansTraumatogenicUsesFisheries: minor commercialResilienceMedium, 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