Hard substrates are generally scarce in the deep-sea. It is, therefore, not uprising that seagrass is utilized, just as rock outcrops and les as well as waterlogged wood, pumice, cinders and other foreign which have previously been known to serve a jects Antes for epifaunal organisms.
The number of different kinds of sessile animals in the present glerial amounts to 15 or 16, including the unidentifiable organisms and astropod capsules, and the total number of specimens to about 85. dinians are as tonishingly numerous(50), in view of the fact that only specimens(at two other stations) were aitached to the ever-abundant of pumice collected here.