National Geographic : 1971 Feb
In a courtship lasting 18 days, patience wears thin N ADULT MALE (below) grasps a female while waiting for her to molt. Occa sionally he picks her up and bounces her on the aquarium floor, apparently trying to speed the process. As soon as she sheds her shell, they will mate. Some males molt only once in two to three years. With considerably more patience than male kings exhibit, photographer Sisson "crab-sat" for two weeks in a laboratory at Auke Bay to film an adolescent (right) back ing out of its shell. Its vulnerability will slowly decrease as its spines harden, then the new body shell, and finally the legs 266 a two-week process.