Fig. 6. Ambient water (A) and visceral temperatures (B) recorded from bluefin tuna in the wild (CFL=75.2±2.8 cm; mass=8.6±0.9 kg at time of tagging; interval between tagging and recapture=241±131 days). Histograms indicate % occupancy of 1°C temperature bins. Values are mean ± s.e.m. (N=10).