United States - May 20, 2025 Chesapeake Bay, Maryland – A video shows a blue crab eating underwater, revealing fascinating behavior of this important shellfish. The blue crab, scientifically named Callinectes sapidus, is known as the “beautiful savory swimmer.” It lives along the Atlantic Coast and in the Gulf of America. Blue crabs are highly valued by fishermen and are the most important fishery in the Chesapeake Bay. They play a key role in local ecosystems as both predators and prey. The video offers a rare glimpse of the blue crab’s underwater feeding habits, highlighting its bright blue claws and olive-green shell. These crabs can grow shells up to nine inches wide and live for three to four years, reaching maturity in just over a year. Blue crab populations vary yearly, so resource managers carefully monitor their numbers to ensure sustainable fishing. This video helps remind us why blue crabs are treasured in the Chesapeake Bay and beyond.