HomeFreshwater aquarium fishOther freshwater fishCrevalle jack Crevalle jack (Caranx hippos) Scientific name: Caranx hippos Linnaeus, 1766 The Crevalle jack (Caranx hippos) is a brackish-water fish of the family Carangidae. BiologyGenerally in neritic waters over the continental shelf. Adults ascend rivers. Juveniles abundant in brackish estuaries with muddy bottoms, near sandy beaches and on seagrass beds. Form fast-moving schools, although larger fish may be solitary. Feed on smaller fish, shrimp, and other invertebrates. Often grunts or croaks when caught. Eggs are pelagic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCaranx hipposFamilyCarangidae (Jacks and pompanos)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length124Common length75.0Depth range1–350 m (3–1148 ft)EnvironmentMarine; brackish; reef-associated; oceanodromous; depth range 1 - 350 m, usually 1 - 200 mClimateSubtropicalDistributionEastern Atlantic: Portugal to Angola, including the western Mediterranean. Western Atlantic: Nova Scotia, Canada and northern Gulf of Mexico to Uruguay, including the Greater Antilles. Absent from eastern Lesser Antilles. Indian Ocean records are probably misidentifications of Caranx ignobilis. Reports from Pacific refer to Caranx caninus, which may be conspecific.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesFisheries: commercial; gamefish: yes; aquarium: public aquariumsResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm 3-4) More other freshwater fishSouth American lungfishLepidosiren paradoxaLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026