3217 Gambusia gaigei Hubbs, 1929 Poeciliidae Poeciliids Poeciliinae Cyprinodontiformes Teleostei Big Bend gambusia North America: formerly found in Boquillas and Graham Ranch springs, Brewster County in Texas; now restricted to an artificial spring-fed pond in Big Bend National Park in Texas, USA. AMNH 27491 Gambusia gaigei AMNH 27492 Gambusia gaigei AMNH 55598 1983 Gambusia gaigei