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EMG duty cycle for cold- and warm-acclimated scup swimming at (a) 30 cm s−1 and (b) 50 cm s−1 in 10°C water. Duty cycle was EMG duration divided by tail-beat frequency and was significantly shorter in the cold-acclimated scup. Asterisk, significant difference at a given body position due to acclimation; filled circles, cold acclimated; inverted open triangles, warm acclimated. Adapted from Rome & Swank (2001).
