HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsMontecristo cichlid Montecristo cichlid (Theraps heterospilus) Scientific name: Theraps heterospilus Hubbs, 1936 The Montecristo cichlid (Theraps heterospilus) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 26–30°C (79–86°F). Native range: Central America, Atlantic slope, in the Candelaria and Usumacinta rivers in Mexico and Guatemala. Montecristo cichlid care at a glanceTemperature26–30°C (79–86°F) BiologyInhabits lower and middle reaches of rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTheraps heterospilusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length24.0EnvironmentFreshwater;; pH range: 7.5 - 8.5; dH range: 3 - 69 benthopelagicClimateTropicalDistributionCentral America: Atlantic slope, in the Candelaria and Usumacinta rivers in Mexico and Guatemala.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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