Do Crabs Have Hearts? A Look at the Cardiovascular Systems of These Crustaceans
The adult blue crab’s circulatory system, Callinectes sapidus, was mapped by either injecting barium sulfate into whole animals and then taking x-rays or using resin corrosion casts (Batsons Monomer). Seven arteries arise from the heart. When the anterior aorta leaves the front dorsal surface of the heart, it gives rise to the optic arteries. These … Read more