Fig. 4. U_crit swimming performance (in absolute cm s^-1 and relative bl s^-1 speeds) of cod after 12 weeks of feeding or starvation, white muscle lactate accumulation, the number of burst-coast movements during the U_crit tests and the speed at which regular burst-coast movements started (in cm s^-1 and bl s^-1). Data are shown as means ± S.E.M.