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Fig. 5. Depth profiles of Aurelia labiata in 80 cm water columns under
five oxygen conditions. Each coloured line is the track of an individual
specimen over a 1 h period. The five tank conditions were normoxia (100% air
saturation oxygen), stratified (with ending oxygen concentrations of
100130% air saturation oxygen in the surface 20 cm and 05% air
saturation oxygen in the bottom 40 cm), 30% air saturation oxygen, 18% air
saturation oxygen, and anoxia.