“These Mukilteo beaches represent a location where Dungeness crab molt shells have accumulated many times in the past on the shoreline,” he wrote. “Crabs of certain size categories and sex ...

Researchers have observed that a molt of a single Japanese spider crab in captivity took 103 minutes, and the crab’s growth rate was nearly 22 percent.

The larval crabs will live on ocean plankton, molting through several stages before acquiring a shell of their own and coming back to land. Hermit crabs don’t breed well in captivity ...