HomeFreshwater aquarium fishSouth & Central American cichlidsBlue flash Blue flash (Thorichthys aureus) Scientific name: Thorichthys aureus G?nther, 1862 The Blue flash (Thorichthys aureus) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Central America, Atlantic slope from Belize (Golden Creek) to Honduras (Motagua River basin). Blue flash care at a glanceTemperature24–28°C (75–82°F) BiologyInhabits warm lakes and lagoons but prefers the lower and middle sections rivers. Limited number of population exists in the upper riverine sections.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameThorichthys aureusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater;; pH range: 7.5 - ?; dH range: 2 - 15 benthopelagicClimateTropicalDistributionCentral America: Atlantic slope from Belize (Golden Creek) to Honduras (Motagua River basin).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 cichlidsBlue-eye cichlidCryptoheros spilurusRainbow kribPelvicachromis pulcherNanochromis parilusOrange chromideEtroplus maculatusGeophagus abaliosHeros efasciatusSee all south & central american cichlids SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026