The species is highly prized as the meat is almost as sweet as "Callinectes sapidus". One of their predators is the blue crab "Callinectes sapidus". Furthermore, a type of oyster, "Crassostrea gasar" and blue crab ("Callinectes sapidus") can be found. "Callinectes sapidus" is subject to a number of diseases and parasites. "Callinectes sapidus" is a decapod crab of the swimming crab family Portunidae. The blue crab, "Callinectes sapidus" was chosen as the state crustacean of Maryland in 1989. Callinectes sapidus and Callinectes similis, which both live in estuarine habitats.