HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersBigtooth corvina Bigtooth corvina (Isopisthus parvipinnis) Scientific name: Isopisthus parvipinnis Cuvier, 1830 The Bigtooth corvina (Isopisthus parvipinnis) is a brackish-water fish of the family Sciaenidae. Native range: Western Atlantic, Costa Rica to southern Brazil. BiologyFound in shallow coastal waters over sandy mud or soft mud bottoms. Feeds mainly on small shrimps. Important food fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameIsopisthus parvipinnisFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Common length20.0Depth range45 m (148 ft)EnvironmentMarine; brackish; demersal; depth range ? - 45 mClimateTropicalDistributionWestern Atlantic: Costa Rica to southern Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; bait: usuallyResilienceHigh, minimum population doubling time less than 15 months (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