Fig. 1. Oxygen consumption of fasting yellow eels from a hatchery (860±81.9
g, 73.1±3.8 cm BL) during a 6 month period of rest (circles)
or 6 months of continuously swimming at 0.5 BL s1
(diamonds) at 19°C. Regression lines: Rest-group:
y=0.0326x+25.294; Swim-group:
y=0.0394x+54.86.