HomeFish encyclopediaRay-finned fishesPerch-like fishJacks and pompanosBluntnose jack Bluntnose jack (Hemicaranx amblyrhynchus) Scientific name: Hemicaranx amblyrhynchus Cuvier, 1833 The Bluntnose jack (Hemicaranx amblyrhynchus) is a marine fish of the family Carangidae. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 27; Anal spines: 3; Anal soft rays: 23Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemicaranx amblyrhynchusFamilyCarangidae (Jacks and pompanos)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Common length25.0Depth range50 m (164 ft)EnvironmentMarine; pelagic-neritic; depth range ? - 50 mClimateSubtropicalDistributionWestern Atlantic: North Carolina, USA and northern Gulf of Mexico southward to Florian?polis, Brazil; not found in most parts of the Lesser Antilles. Also found in Uruguay and Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: 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