Species in the genus Carcinus, family Portunidae, order BRACHYURA. Native of Europe, this voracious predator has invaded other continents affecting established habitats.

Species in the genus Callinectes, family Portunidae, order DECAPODA, found in the Chesapeake Bay.

An infraorder of chiefly marine, largely carnivorous CRUSTACEA, in the order DECAPODA, including the genera Cancer, Uca, and Callinectes.

Synonyms: True Crabs, Crab, Blue, Crabs, Green, Short-Tailed Crabs, Crab, Green, Carcinus maenas, txid6752, Shore Crab, European, Crab, Common Shore, maenas, Carcinus, Ucas, Crab, Short-Tailed, Blue Crab, Blue Crabs, Short-Tailed Crab, Green Crab, True Crab, Crabs, Short-Tailed, Common Shore Crab, Common Shore Crabs, txid53313, Crabs, Short Tailed, Shore Crabs, Common, Green Crabs, Crabs, Blue, txid6763, Brachyura, Brachyuras, Callinectes sapidus, Uca, Crab, True, Crab, European Shore, Carcinus maena, Crabs, True, European Shore Crab, Shore Crab, Common, txid6759, Crabs, Common Shore