HomeFish encyclopediaSharks and RaysSawfishesSawfishesLarge-tooth sawfish Large-tooth sawfish (Pristis perotteti) Scientific name: Pristis perotteti M?ller & Henle, 1841 The Large-tooth sawfish (Pristis perotteti) is a freshwater fish of the family Pristidae. BiologyInhabits shallow water in the vicinity of the shore and estuarine, particularly lagoons. Generally thought to rarely descend below 10m but have been found at 122m in Lake Nicaragua. Tends to run farther upstream in large rivers. Found in temperatures higher than 20-30?C. Ovoviviparous. Minor commercial, for the curio trade.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePristis perottetiFamilyPristidae (Sawfishes)OrderPristiformes (Sawfishes)ClassElasmobranchii (Sharks and Rays)Maximum length650Depth range122 m (400 ft)EnvironmentMarine; freshwater; brackish; benthopelagic; amphidromous; depth range ? - 122 m, usually ? - 10 mClimateTropicalDistributionNorthwest Atlantic: Texas, Florida. Northeast Atlantic: West Africa. Eastern and Western Central Pacific: off northern Australia. Indo-China: East Indies. South America: Amazon near Sant?rem, Brazil.Conservation status (IUCN)Critically Endangered (CR) (A2abcd)Threat to humansHarmlessUsesFisheries: minor commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Fec assumed to be SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026