HomeFreshwater aquarium fishSouth & Central American cichlidsFiremouth cichlid Firemouth cichlid (Thorichthys meeki) Scientific name: Thorichthys meeki Brind, 1918 The Firemouth cichlid (Thorichthys meeki) 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 Usumacinta River drainage, the Belize River drainage, and near Progreso, in Mexico, Guatemala and Belize. Firemouth cichlid care at a glanceTemperature26–30°C (79–86°F) BiologyPrefers lower and middle sections of rivers in slow moving waters. Lives in mud-bottomed and sand-bottomed canals and rocky ponds. Stays close to the shoreline vegetation for protection. Omnivorous, but feeds mainly on algae. Used in behavioral studies. Aquarium keeping: minimum aquarium size 100 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameThorichthys meekiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length17.0Common length6.1EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: ? - 10 benthopelagic; non-migratoryClimateTropicalDistributionCentral America: Atlantic slope, in the Usumacinta River drainage, the Belize River drainage, and near Progreso, in Mexico, Guatemala and Belize.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: highly commercialResilienceHigh, minimum population doubling time less than 15 months (tm More south & central american cichlidsChameleon cichlidAustraloheros facetusApistogramma steindachneriJaguar guapoteParachromis managuensisApistogramma macmasteriCrenicichla lacustrisCrenicichla lenticulataSee 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