HomeMarine aquarium fishOther marine fishSmallmouth grunt Smallmouth grunt (Haemulon chrysargyreum) Scientific name: Haemulon chrysargyreum G?nther, 1859 The Smallmouth grunt (Haemulon chrysargyreum) is a marine fish of the family Haemulidae. Native range: Western Atlantic, southern Florida (USA), Bahamas and Yucatan, Mexico to Brazil. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 9 - 10. 6 straight, even, and nearly equally wide bronze-yellow stripes on side. Snout short, mouth nearly horizontal and small, the maxilla usually not reaching a vertical at front edge of pupil; fins largely yellow.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHaemulon chrysargyreumFamilyHaemulidae (Grunts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length23.0Common length17.0Depth range0–25 m (0–82 ft)EnvironmentMarine; reef-associated; depth range 0 - 25 mClimateSubtropicalDistributionWestern Atlantic: southern Florida (USA), Bahamas and Yucatan, Mexico to Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: public aquariums; bait: usuallyResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other marine fishFrench gruntHaemulon flavolineatumSpanish gruntHaemulon macrostomumCaesar gruntHaemulon carbonariumCottonwick gruntHaemulon melanurumSailor's gruntHaemulon parraBlack gruntHaemulon bonarienseSee all other marine fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026