HomeFish encyclopediaRay-finned fishesPerch-like fishGruntsCorocoro grunt Corocoro grunt (Orthopristis ruber) Scientific name: Orthopristis ruber Cuvier, 1830 The Corocoro grunt (Orthopristis ruber) is a brackish-water fish of the family Haemulidae. Native range: Western Atlantic, Honduras to Brazil. BiologyOccurs in coastal waters, over sand, rock or mud bottoms. Juveniles found near the shore, associated with Thalassia beds. Also found in brackish water. Feeds on crustaceans, mollusks, polychaete worms, fishes, and other invertebrates. Well appreciated as a food fish; marketed fresh and salted.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOrthopristis ruberFamilyHaemulidae (Grunts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length30.0Depth range1–70 m (3–230 ft)EnvironmentMarine; brackish; demersal; depth range 1 - 70 mClimateTropicalDistributionWestern Atlantic: Honduras to Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026