Oxygen Consumption of Saffron Cod, Eleginus gracilis (Tilesius)
摘要
Standard oxygen consumption rates of saffron cod were measured at a temperature between 1 and 16'C in a running sea water system.The value of Q.o was 2.34 for 100-lS0 g fish, and it fell within normal range reported for other fish.The relationship between oxygen consumption (R) and body weight (W : g) was expressed by the equations: R=0.150 WO.700 at 1-5'C, R=O.164 WO.782 at 6-S'C, and R=O.217 WO.79' at 11-13'C.The adjusted oxygen consumption to lO'C is R=O.203WO.774 X 10. 037(1-10).The exponents of equation fell within a similar range found in Atlantic Gadidae.However, the standard metabolism of saffron cod was maintained at higher levels at low temperatures when compared with that of other boreal or benthic fish species.The higher metabolism at temperatures below zero is probably related to their winter ecological conditions.