Invasive blue catfish are so prominent in the Chesapeake Bay and surrounding waters that Maryland officials are telling recreational anglers and commercial operators that they can catch as many of them as they want — all in the name of preserving the ecosystem.
The fish was introduced to the area in the 1970s and has proliferated to the point that one expanse in the Potomac River may have more than 50% of the species by biomass, Southern Maryland News reported.
The Maryland Catfish Trail offers seven spots for baiting the blues, as well as flathead catfish and snakehead, which are also invasive…