Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Gambusia: Gambusia: From the Cuban term, Gambusino, which means "nothing", usually in the context of a joke or a farce. Fishing for gambusinos = when one catches nothing (Ref. 45335).
More on authors: Baird & Girard.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 7.5 - 8.0; dH range: ? - 30; non-migratory. Subtropical; 24°C - 28°C (Ref. 13614); 33°N - 30°N
North America: found only in Pecos River system in New Mexico and Texas, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm TL male/unsexed; (Ref. 5723); common length : 3.3 cm TL male/unsexed; (Ref. 12193)
Inhabits vegetated springs and effluents.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Tools
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