Endangered Humpback Chub
Detailed Description
U.S. Geological Survey scientists estimate that the adult population of humpback chub (Gila cypha) in the Grand Canyon increased 50 percent between 2001 and 2008.
Sources/Usage
Public Domain.
U.S. Geological Survey scientists estimate that the adult population of humpback chub (Gila cypha) in the Grand Canyon increased 50 percent between 2001 and 2008.
Public Domain.