Image by: National Park Service

Big Bend Gambusia

From: Marfa Public Radio
Series: Nature Notes
Length: 04:30

Big Bend National Park is home to many rare and endangered species, but the Big Bend gambusia lives particularly close to the edge of extinction. How has this fish hung on to such a precarious existence? Read the full description.

Piece Audio

Playing: Big Bend Gambusia
From: Marfa Public Radio

Gambusia-small_small

The Big Bend gambusia lives on the edge. Their only habitat in the world is a cluster of warm, spring-fed pools in Big Bend National Park. The entire wild population could fit within a quarter-mile circle, one of the smallest ranges of any vertebrate. How has this endangered species clung to such a precarious existence?

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Piece Description

The Big Bend gambusia lives on the edge. Their only habitat in the world is a cluster of warm, spring-fed pools in Big Bend National Park. The entire wild population could fit within a quarter-mile circle, one of the smallest ranges of any vertebrate. How has this endangered species clung to such a precarious existence?