Inhabits slow as well as rapid flowing waters. Occurs with two other genera of livebearers, Poecilia and Xiphophorus, depending upon locality.
Physical description for Grijalva studfish is currently being compiled.
Behavioural data for Grijalva studfish is currently being reviewed.
Diet information for Grijalva studfish is currently being compiled.
Reproduction data for Grijalva studfish is currently being compiled.
Freshwater; pelagic; pH range: 7.2 - 7.8; dH range: 5 - 15. Tropical; 21°C - 26°C Central America: Guatemala in the Finca River basin, 30 km NW of Cóban, Alta Vera Paz, in the Salbá River, tributary to the Negro River (Chixoy River) which becomes the Salinas River of the Usumacinta basin.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .
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