The Chesapeake Bay's most popular crustacean has a dark streak. Cannibalism is the No. 1 killer of juvenile blue crabs in mid-salinity waters where they are known to congregate, according to a new study from the Smithsonian Environmental Research Center (SERC) published in the journal Proceedings of the National Academy of Science. But shallow waters can offer a vital refuge.

The Chesapeake Bay’s most popular crustacean has a dark streak. Cannibalism is the No. 1 killer of juvenile blue crabs in mid-salinity waters where they are known to congregate, according to a new study from the Smithsonian Environmental Research Center (SERC) published in the journal Proceedings of the National Academy of Science. But shallow waters can offer a vital refuge.

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