Florent's Guide To The

South Florida Reefs

Atlantic Blue Crab
Atlantic Blue Crab
Scientific Name: Callinectes sapidus
Infraorder: Brachyura
Family: Portunidae
Subfamily: Portuninae
Category: Swimming Crabs
Also known as: Common Blue Crab, Maryland Blue Crab, Chesapeake Blue Crab
Size: 4 to 6 in. (10 to 15 cm)  
Depth: 5-50 ft. (2-15 m)
Distribution: Caribbean, Bahamas, Florida, Gulf of America, Brazil

Crustaceans
Swimming Crabs

Atlantic Blue Crab

Sargassum Swimming Crab

Indo-Pacific Swimming Crab

Blackpoint Sculling Crab

Redhair Swimming Crab

Ocellate Swimming Crab

Blotched Swimming Crab

Speckled Swimming Crab

Ornate Blue Crab



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© 2025 Florent Charpin