Big Bend gambusia (Gambusia gaigei), first described by Hubbs, 1929 is a small fish in the family Poeciliidae (order Cyprinodontiformes). Adults typically reach 5.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Vulnerable.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Poeciliidae kept in the hobby.
Physical description for Big Bend gambusia is currently being compiled.
Behavioural data for Big Bend gambusia is currently being reviewed.
Freshwater; benthopelagic. Subtropical; 30°N - 28°N 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.
The following diseases are known to affect Big Bend gambusia.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
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