![]() ![]() Together, the two claws act as a knife and fork. The sharp bumps on one claw are good for tearing, while rounded bumps on the other help them keep hold of prey. (Photo: Hudson River Estuary Program)īlue crabs have five pairs of legs. The front pair feature claws or pincers. Top view of blue crab found along the Hudson. The blue crab’s Latin name - Callinectes sapidus - means “beautiful savory swimmer.” This refers both to the tastiness of their meat and their facility at underwater propulsion. Dark green on top and white underneath, the “blue” in their name comes from the azure hue on the males’ front claws. It takes about 48 hours for the new shell to harden completely, so blue crabs must find a place to hide from fish, birds, and other predators when molting occurs. Over the course of their three- to four-year lifespan, sallys typically molt 18 to 20 times jimmys, 21 to 23 times. (Photo: Rebecca Houser / New York State Department of Environmental Conservation)įemale blue crabs, called “sallys,” are slightly smaller than the males (aka “jimmys”). As they grow, crabs periodically molt, shedding their thick outer shell. How fascinating? Check out some of our favorite facts. That’s step one in a dynamic process that will ensure future generations of these fascinating creatures. In late June, female blue crabs will be on the move, seeking out mates.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |