Atlantic blue crab

Callinectes sapidus

Atlantic blue crab

Callinectes sapidus
Least Concern
Callinectes sapidus

Defining Characteristics:

Blue crabs are a sizeable aquatic crab species with a Blue-green coloration and white underbelly. This species has three pairs of walking legs and one pair of claws. The males have a characteristic blue-tipped claw, while the females have red-tipped claws. The carapace (shell) of mature crabs can measure up to 9 inches (23 cm) in width.




Fun Facts:

  1. The blue crab is considered a delicacy in many parts of the world, especially in the Chesapeake Bay region of the eastern United States.
  2. During the molting process, blue crabs are soft and vulnerable to predators. They typically hide in mud or burrows until their shell hardens again.
  3. The blue crab has a unique respiratory system that allows it to breathe air through its gills, enabling it to survive in low-oxygen environments.

Other Information

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