Table 3. Descriptive statistics of phenotypic traits related to stress measured in the plasma of sampled fish in November 2009 (T4).

	Cortisol, µg dL-1	Osmolality, mmol kg-1	Chloride, mmol L-1
	Difference between before and after acute stress	Difference between before and after acute stress	Difference between before and after acute stress
N	86	86	86
Min	−8.39	−68.00	−15.00
Max	29.44	50.00	21.00
Mean ± SD	5.02 ± 6.63	3.16 ± 17.26	−1.47 ± 5.81

N, number of fish tested; Min, minimum value obtained; Max, maximal value obtained; Mean ± SD, mean ± SD of the values measured.