Seasonal differences in routine oxygen consumption rates of the bonnethead shark

Routine oxygen consumption rates of bonnethead sharks, Sphyrna tiburo, increased from 141·3±29·7 mg O2 kg−1 h−1 during autumn to 218·6±64·2 mg O2 kg−1 h−1 during spring, and 329·7±38·3 mg O2 kg−1 h−1 during summer. The rate of routine oxygen consumption increased over the entire seasonal temperature range (20–30° C) at a Q10=2·34.