Table 1. Size (mean ± SD) of round goby used in respirometry and for blood plasma osmolality experiments.

Length is total length, and Fulton’s condition factor (K) was calculated as K = 100×W×L^-3 (where W is in g and L is total length in cm).

	Treatment salinity (PSU)
	0	10	15	20	25	30
	Fish for respirometry
N	8	8	8	8	8	8
Length (mm)	152 ± 11	154 ± 11	154 ± 16	157 ± 11	149 ± 9	148 ± 11
Weight (g)	53 ± 12	53 ± 13	56 ± 17	54 ± 11	45 ± 8	45 ± 12
Fultons K	1.48 ± 0.1	1.42 ± 0.17	1.50 ± 0.11	1.38 ± 0.07	1.37 ± 0.15	1.37 ± 0.15
	Fish for blood plasma osmolality
N	10	9	10	10	10	9
Length (mm)	160 ± 22	161 ± 11	163 ± 20	166 ± 16	162 ± 15	154 ± 12
Weight (g)	66 ± 26	60 ± 14	65 ± 20	60 ± 18	57 ± 17	53 ± 15
Fultons K	1.56 ± 0.11	1.41 ± 11	1.46 ± 0.10	1.29 ± 0.10	1.34 ± 0.12	1.42 ± 0.08