Ted Grosholz discusses ways to rid the Marin lagoon of green crabs

 Photo: Paul Chinn, The Chronicle

Invasive crabs flourish in Marin lagoon, despite eradication efforts

The bucket of crabs on the shoreline of Seadrift Lagoon in Marin County was a bonanza for 7-year-old Luca McLaughlin, who giddily handled as many as he could, but the pile of decapods represent a puzzling menace to marine biologists.

European green crabs have flourished in the man-made lagoon in a wealthy gated community in northern Stinson Beach, and scientists can’t seem to get rid of the pinching invaders.


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