Are blue crabs really blue?
Keeping this in view, are blue crabs actually blue?
Blue Crab. Also known as the Chesapeake blue crab or the Atlantic blue crab, these crabs are strong swimmers—largely due to their fifth pair of legs, which are shaped like paddles. They are striking to spot with their often bright-blue claws and olive-colored carapace (shell).
Secondly, are blue crabs rare? "The blue crab that we showed today is actually a one in a billion chance," she said. "This is a genetic mutation that occurs, very rare." Much like chameleons or flounder, crabs have chromatophores which allow them to change color and fool predators.
Similarly, you may ask, why is a blue crab blue?
The blue crab is so named because of its sapphire-tinted claws. Its shell, or carapace, is actually a mottled brownish color, and mature females have red highlights on the tips of their pincers.
What eat blue crabs?
Small fish and jellyfish will eat blue crab larvae, while birds, mammals and larger fish will eat older crabs.