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Fig. 6. (A) Ventilation rates (beats min-1) and (B) oxygen uptake rates
(mg O2 kg-1 h-1) of 10 Cancer
gracilis monitored for a 3 h period in 100% seawater; food was
administered and cardiac parameters followed for a further 3 h in seawater
before low salinity conditions were initiated for 6 h. Seawater conditions
were then restored for an additional 6 h. Values represent means ±
s.e.m.