Question: How often do blue crabs mate?

Blue crab mating season stretches from May to October. Once females reach sexual maturity, they mate with a male only once. (Males will mate with multiple females during their lifespan.) Once the crabs mate, an egg mass develops beneath the females apron.

How long does it take for blue crabs to mate?

Copulation will last from 5 to 12 hours. Males have two pairs of pleopods, located towards the front of the abdomen. Both function in the transfer of spermatophores to the female during copulation. The long, curved, tubular first pleopod is the gonopod.

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