HomeFish encyclopediaRay-finned fishesPerch-like fishGruntsLemonfish Lemonfish (Plectorhinchus flavomaculatus) Scientific name: Plectorhinchus flavomaculatus Cuvier, 1830 The Lemonfish (Plectorhinchus flavomaculatus) is a marine fish of the family Haemulidae. BiologyInhabits coastal waters near reefs and weedy areas. Adults usually on silty reefs at moderate depths, or in current channels occasionally inshore; juveniles enter estuaries and harbors. Feeds on small fishes and crustaceans. Good food fish, marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlectorhinchus flavomaculatusFamilyHaemulidae (Grunts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Depth range4 m (13 ft)EnvironmentMarine; reef-associated; depth range 4 - ? mClimateTropicalDistributionIndo-West Pacific: Red Sea south to Transkei, South Africa and east to Papua New Guinea, north to southern Japan, south to western Australia and New South Wales.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: 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