HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsMaya gambusia Maya gambusia (Gambusia echeagarayi) Scientific name: Gambusia echeagarayi ?lvarez, 1952 The Maya gambusia (Gambusia echeagarayi) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 24–27°C (75–81°F). Native range: Central America, Rio Michol in Chiapas, Mexico. Maya gambusia care at a glanceTemperature24–27°C (75–81°F) Species factsScientific nameGambusia echeagarayiFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length2.9EnvironmentFreshwater;; pH range: 7.2 - 7.8; dH range: 8 - 20 benthopelagicClimateTropicalDistributionCentral America: Rio Michol in Chiapas, Mexico.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