HomeFish encyclopediaRay-finned fishesPerch-like fishSnake mackerelsWhite snake mackerel White snake mackerel (Thyrsitops lepidopoides) Scientific name: Thyrsitops lepidopoides Cuvier, 1832 The White snake mackerel (Thyrsitops lepidopoides) is a marine fish of the family Gempylidae. Native range: Southwest Atlantic, off Rio de Janeiro, southern Brazil, Uruguay and Argentina. Southeast Pacific: off Chile. BiologyMesobenthopelagic. Inhabits the continental slope. Feeds on small fishes and euphausiids. Since 1980, no catches have been reported, except for 21 t caught in 1990 by Argentina. Good for smoked fish and fish and chips.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameThyrsitops lepidopoidesFamilyGempylidae (Snake mackerels)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length25.0Depth range30–350 m (98–1148 ft)EnvironmentMarine; benthopelagic; depth range 30 - 350 mClimateSubtropicalDistributionSouthwest Atlantic: off Rio de Janeiro, southern Brazil, Uruguay and Argentina. Southeast Pacific: off Chile.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026