Anatomy and Functional Morphology of Dermal Collagen Fibers in Sharks

s presented in this symposium were written by graduate students in the Univers ity of Hawaii Department of Zoology, 2538 The Mall, Honolulu, Hawaii 96822. the spati al pattern of the population was rand om. Of the remaining three populations, two showed a pattern of agg regation and one showed a patte rn of uniformity. Both sex and age differences were present in burrowing behavior and burrow structure. Juveniles of both sexes construc ted two basic patterns of burrow structu re : mature females and mature nonreproductively active males constructed a similar structure and reproductively active males constructed another. Behavioral differences in burrow defense and social interactions were also observed. All crabs defended their burrows by using one or two defensive behaviors ; a burrow inhabitant either