HomeFreshwater aquarium fishSouth & Central American cichlidsFlag acara Flag acara (Laetacara curviceps) Scientific name: Laetacara curviceps Ahl, 1923 The Flag acara (Laetacara curviceps) is a freshwater fish of the family Cichlidae that grows to about 8 cm (3.1 in). It is moderate to keep and peaceful and needs a tank of at least 75 L (20 US gal), water at 22–26°C (72–79°F) and a pH of 5.2–7.5. Native range: South America, Amazon River basin, in lower portions of tributaries of the Amazon River in Brazil. Flag acara care at a glanceCare levelModerateTemperamentPeacefulAdult size8 cm (3.1 in)Minimum tank75 L (20 US gal)Temperature22–26°C (72–79°F)pH5.2–7.5Hardness5–12 dGH (89–214 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyMax. length 10 cm TL. Aquarium keeping: in pairs; minimum aquarium size 60 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLaetacara curvicepsFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.6EnvironmentFreshwater;; pH range: 5.2 - 7.5; dH range: 5 - 12 benthopelagicClimateTropicalDistributionSouth America: Amazon River basin, in lower portions of tributaries of the Amazon River in Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More south & central american cichlidsRedbreast acaraLaetacara dorsigeraCockatoo cichlidApistogramma cacatuoidesRam cichlidMikrogeophagus ramireziThreespot eartheaterSatanoperca daemonEmerald cichlidHypselecara temporalisRedhump eartheaterGeophagus steindachneriSee all south & central american cichlids Can it live with...?Flag acara and Cockatoo cichlidFlag acara and Demon eartheaterFlag acara and Goldeneye cichlidFlag acara and Green terrorFlag acara and Redbreast acaraFlag acara and Redhump eartheaterFlag acara and Threespot eartheaterFlag acara and UaruFlag acara and Umbrella cichlid SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026