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Figure 2


Fig. 2. Temperature effects on swimming bluefin tuna. (A) MO2 (mean ± s.d.) of six bluefin tuna swimming at a constant speed of 1.0 BL s–1 in the swim tunnel was significantly affected by temperature (ANOVA, P<0.001). MO2 of each fish at each temperature was calculated as the mean of six or more MO2 measurements taken after an equilibration period of at least 1 h at the stated temperature (±0.1°C). * Significant difference from MO2 at 15°C (P<0.05, Tukey's HSD). (B) Mean tailbeat frequency (± s.d.) of six bluefin tuna swimming at 1.0 BL s–1 in the swim tunnel was significantly affected by temperature (ANOVA, P<0.01). {dagger} Significant difference from TBF at 8°C.





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