Notes Diet analysis of Antarctic krill Euphausia superba Dana

摘要

Sampling date and position are shown in Table 1. Complete E. superbasamples with fullstomach were usua1ly used. They were averagely 45 mm long and 1.5 g weight (wet). Beingconcentrated with filtered sea water, every food species from krill stomach was observed andidentified under an optical microscope, and their size was measured. Food species in stomachcontent of E. superbawere divided into five classes, according to the presence of species indi-