An enzyme in the blue blood has been key to testing vaccines since the 1980s, raising concerns for the crabs’ population. But ...

The fish appear to favor the locale not for the sights, but for their neighbors—tiny spider crabs that feast on the animal’s ...

Egg-eating worms living on Chesapeake Bay blue crabs may hold the key to smarter fishery management. Once thought to be a threat, these parasites actually serve as natural biomarkers that reveal ...