Map of the United States showing the expanse of the Mississippi River Watershed with lock and dams noted. Invasive carp relative abundance is shown throughout the watershed with areas where adults are common with all life stages present and areas with no verified reproduction, and areas with some adult presence or individual captures.
Photo By/Credit

USFWS

Date Shot/Created
02/05/2025
Media Usage Rights/License
Public Domain
Image
Map of the Mississippi River and its tributaries that make up the watershed. The river sections are shaded to represent the status of silver carp populations. Red sections represent areas where carp are reproducing at the highest densities.