Under the assumption that salt water would prohibit the spread of a freshwater species, Virginia stocked blue catfish to give anglers something to fish for as numbers of striped bass declined. They unleashed a scourge that now threatens the region’s iconic fisheries. Blue catfish now inhabit every tributary to the Chesapeake and the bay itself. Branson Williams, invasive fisheries program manager at the Maryland Department of Natural Resources, said in some waters blue cats make up 70 percent of the total biomass.
The Blue Cat Threat
With the ability to grow larger than 100 pounds, blue catfish are voracious feeders that have been blamed for declining populations of everything from baitfish to blue crabs and stripers.
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Image Credits: Noaa Fisheries.