Gambusia gaigei
Gambusia gaigei Hubbs, 1929
Big Bend gambusia
photo by Thomas, C.


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Family:  Poeciliidae (Poeciliids), subfamily: Poeciliinae
Max. size:  5.4 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  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.
Diagnosis:   
Biology:  Adults inhabit vegetated, spring-fed sloughs and ponds (Ref. 5723). Migratory behaviour is undetermined (Ref. 126106).
IUCN Red List Status: Vulnerable (VU); Date assessed: 03 February 2012 (D2) Ref. (130435)
Threat to humans:  harmless


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