Chesapeake blue crabs had an unusual rebound after years of decline. Scientists don't know why
Summary
The population of blue crabs in Chesapeake Bay has grown by 46% this year, reaching 349 million crabs. This is the highest number since 2019 after several years of low populations, but scientists are unsure why the numbers have increased.Key Facts
- The blue crab population in Chesapeake Bay increased by 46% from last year.
- Current estimates put the population at 349 million crabs.
- This is the highest crab population in the bay since 2019.
- The Maryland Department of Natural Resources and Virginia Institute of Marine Science conducted the survey.
- Juvenile crabs and adult males increased in number, but female crabs decreased.
- Over one-third of the U.S. blue crab catch comes from Chesapeake Bay.
- The crab industry brought in at least $74 million at the docks in 2024.
- Scientists and fishery groups use this data to manage and conserve crab populations.
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