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Table 2.

Regression equations and r²values for the plots of oxygen consumption versus swimming speed using Eqn 4

T (°C)	a	b	c	r²	U_opt (cm s^-1)	M_O2 at U_opt (mmol h^-1kg^-1)	COT at U_opt (J kg^-1 km^-1)	COT_net at U_opt (J kg^-1km^-1)
7	1.23	11.90	2.08	0.70	0.32	2.37	881.19	271.45
11	1.59	12.15	2.23	0.69	0.37	2.88	947.28	323.91
14	3.36	12.47	3.24	0.69	0.52	4.86	1123.90	536.86
18	2.76	8.35	1.95	0.62	0.58	5.67	1171.64	631.08
22	3.40	12.04	2.57	0.72	0.51	5.57	1306.43	526.56
26	4.35	11.21	2.74	0.86	0.58	6.59	1424.04	625.24
30	4.85	11.95	2.26	0.86	0.61	8.70	1727.92	668.56

T (°C)	a	b	c	r²	U_opt (cm s^-1)	M_O2 at U_opt (mmol h^-1kg^-1)	COT at U_opt (J kg^-1 km^-1)	COT_net at U_opt (J kg^-1km^-1)
7	1.23	11.90	2.08	0.70	0.32	2.37	881.19	271.45
11	1.59	12.15	2.23	0.69	0.37	2.88	947.28	323.91
14	3.36	12.47	3.24	0.69	0.52	4.86	1123.90	536.86
18	2.76	8.35	1.95	0.62	0.58	5.67	1171.64	631.08
22	3.40	12.04	2.57	0.72	0.51	5.57	1306.43	526.56
26	4.35	11.21	2.74	0.86	0.58	6.59	1424.04	625.24
30	4.85	11.95	2.26	0.86	0.61	8.70	1727.92	668.56

M_O2=a+bU^c. T, temperature; U_opt, optimal swimming speed (Eqn 5).

M_O2 at U_opt and COT at U_opt were calculated using Eqn 4 and Eqn 6 and parameter values from Table 2. COT_net at U_opt were calculated using Eqn 11.

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