Fig.3. The relationship between swimming speed and O₂ uptake in rainbow trout exposed either to 288µmoll^-1 total ammonia for 24h (circles) or to water with no added ammonia (control) (squares). For the elevated ammonia group, the broken line describes the exponential relationship y=5.4338e^0.526x (r²=0.6759, N=24 observations on 6 fish). For the control group, the solid line describes the exponential relationship y=2.9687e^0.7999x (r²=0.604, N=35 observations on 6 fish).