Big Bend gambusia

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Big bend gambusia
Gambusia gaigei 01.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Genus: Gambusia
Species: G. gaigei
Binomial name
Gambusia gaigei
C. L. Hubbs, 1929

The Big Bend gambusia (Gambusia gaigei) is a rare species of fish in the Poeciliidae family. It is endemic to the Big Bend region of the Rio Grande of the United States and Mexico. The only known remaining population is in a protected pond in the Big Bend National Park.[2]

This livebearer is about 2 inches long. It feeds on aquatic invertebrates.[2]


  1. ^ NatureServe (2013). "Gambusia gaigei". The IUCN Red List of Threatened Species. IUCN. 2013: e.T8890A18229201. doi:10.2305/IUCN.UK.2013-1.RLTS.T8890A18229201.en. Retrieved 10 November 2017. 
  2. ^ a b Gambusia gaigei. Texas Parks & Wildlife.