Our multivariate model of the physiological and behavioural traits showed a borderline significant positive intercept–intercept correlation (i.e. at the average temperature, 8°C) between individual day-time activity and SGR (cor = 0.357 [−0.009, 0.709]; pMCMC ≅ 0.055) ( figure 3 ).
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Among-individual variation in thermal plasticity of fish metabolic rates causes profound variation in temperature-specific trait repeatability, but does not co-vary with behavioural plasticity.
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