The effects of acute hypoxia and hypercapnia on oxygen consumption of the freshwater European eel

The effects of acute hypoxia and hypercapnia on oxygen consumption of the freshwater European eel When exposed to hypoxia, eels Anguilla anguilla were able to regulate and maintain Vo2 down to a water oxygen tension (Pwo2) of about 25 mmHg, a value far below those reported in other studies. When exposed to hypercapnia, eels showed a depression in Vo2 as water carbon dioxide tension (Pwco2) increased. Faced with combined hypoxia‐hypercapnia, eels showed an increase in their sensitivity to hypoxia, and the critical oxygen tension increased to 40–45 mmHg. The possible mechanisms underlying these responses were discussed, and the implications of such findings for extensive culture of eels were highlighted. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Fish Biology Wiley

The effects of acute hypoxia and hypercapnia on oxygen consumption of the freshwater European eel

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Publisher
Wiley
Copyright
Copyright © 1997 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0022-1112
eISSN
1095-8649
D.O.I.
10.1111/j.1095-8649.1997.tb01970.x
Publisher site
See Article on Publisher Site

Abstract

When exposed to hypoxia, eels Anguilla anguilla were able to regulate and maintain Vo2 down to a water oxygen tension (Pwo2) of about 25 mmHg, a value far below those reported in other studies. When exposed to hypercapnia, eels showed a depression in Vo2 as water carbon dioxide tension (Pwco2) increased. Faced with combined hypoxia‐hypercapnia, eels showed an increase in their sensitivity to hypoxia, and the critical oxygen tension increased to 40–45 mmHg. The possible mechanisms underlying these responses were discussed, and the implications of such findings for extensive culture of eels were highlighted.

Journal

Journal of Fish BiologyWiley

Published: Apr 1, 1997

References

  • Effects of hydrostatic pressure and temperature on the energy metabolism of the Chinese crab ( Eriocheir sinensis ) and yellow eel ( Anguilla anguilla )
    Séberet, Séberet; Pëqueux, Pëqueux; Simon, Simon; Barthélémy, Barthélémy

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