The Chesapeake Bay’s blue crab population has declined by about 50% since 2010, a new study estimates, and while invasive blue catfish are responsible for some of that worrisome decline, the main cause or causes remain a mystery.
That’s the bottom line of a comprehensive stock assessment of the bay’s crab population, which was launched in 2023 to figure out why numbers of the crustaceans have swooned in recent years, threatening the Chesapeake’s most valuable fishery.
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Chesapeake blue crab population drops 50%. The question is: Why? - Maryland Matters