Invasive Snakeheads Found Above Great Falls: Spreading to the Upper Potomac via the C&O Canal
Credible reports of snakehead sightings and results from a Maryland Department of Natural Resources and U.S. Fish & Wildlife Service survey indicate that the non-native snakehead species has spread into the C&O Canal and thereby the Upper Potomac River.
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Snakehead Info
Snakeheads can become invasive species and cause ecological damage because they are top-level predators, meaning they have no natural enemies outside of their native environment.
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