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. 2015 Jun 1;5:10743. doi: 10.1038/srep10743

Figure 2.

Figure 2

Effects of acute temperature increase (2 °C h–1) on heart rate (A, B) and gill ventilation rate (C, D) in resting giant tiger shrimp (Penaeus monodon) (n = 8) (A, C) and European crayfish (Astacus astacus) (n = 9) (B, D). Data for each species were fitted with an exponential function. In both species, mean heart and gill ventilation rates increased exponentially with temperature up to Tcrit. P. monodon: heart: r2 = 0.98, Q10 = 3.1; gill: r2 = 0.93, Q10 = 5.0, from 30 to 39.5 °C; A. astacus: heart: r2 = 0.98, Q10 = 1.8; gill: r2 = 0.97, Q10 = 2.6, from 18 to 33 °C. Grey lines show traces for individual animals, mean ± SEM are shown in black.