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Figure 1


Fig. 1. Schematic diagram of the experimental setup used for the determination of inspired (VI) and expired (VE) volumes in Odontamblyopus lacepedii. A, amplifier; D, data-acquisition system; E, equilibration column; L, L-shaped fish chamber; R, water reservoir; S, water surface; U, ultrasonic sensor; V, ball valve; W, water bath. Sensors for a DO controller and a DO meter, thermoregulator and pump are located inside the water reservoir. Arrows indicate the direction of water flow.