HomeFish encyclopediaRay-finned fishesPerch-like fishSea chubsYellow sea chub Yellow sea chub (Kyphosus incisor) Scientific name: Kyphosus incisor Cuvier, 1831 The Yellow sea chub (Kyphosus incisor) is a marine fish of the family Kyphosidae. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 13-15; Anal spines: 3; Anal soft rays: 12 - 13. grey with longitudinal brassy stripes on body and 2 brassy horizontal bands on head. Opercular membrane slightly pigmented. Each jaw with a regular row of close-set, strong, incisor-like, round-tipped teeth of a peculiar hockey-stick shape, their bases set horizontally, resembling a radially striated bony plate inside mouth (Ref 52729).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameKyphosus incisorFamilyKyphosidae (Sea chubs)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length90.0Common length45.0EnvironmentMarine; reef-associatedClimateSubtropicalDistributionWestern Atlantic: Cape Cod, Massachusetts (USA) to Brazil. Also found in Argentina. Eastern Atlantic: Madeira Island, S?o Tiago Island (Cape Verde) and Angola; Sao Tome Island.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; gamefish: yesResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming tm>4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026