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Fig. 6. (A) Plasma lactate levels, (B) plasma cortisol concentrations and (C)
plasma potassium concentrations in resting (x) and swimming (
)
sockeye salmon during an acute temperature increase. All values are means
± s.e.m. Different letters indicate significant differences between
temperatures within a group, whereas an asterisk indicates a significant
difference between resting and swimming fish at a given temperature.