Physiological adaptation to hypoxia of a neotropical characoid fish Colossoma macropomum, Serrasalmidae

@article{SaintPaul2004PhysiologicalAT,
  title={Physiological adaptation to hypoxia of a neotropical characoid fish Colossoma macropomum, Serrasalmidae},
  author={Ulrich Saint-Paul},
  journal={Environmental Biology of Fishes},
  year={2004},
  volume={11},
  pages={53-62}
}
Investigations of seasonal changes in the hematological parameters of Colossoma macropomum revealed that during times of the year when they are exposed to low oxygen concentrations (< 0.5 mg 1−1), there is an increase in the hemoglobin content of the blood and the erythrocyte count. Experiments to determine the influence of oxygen content on the routine oxygen consumption showed that the critical concentration is 2 mg 1−1 at 30°C. At concentrations below 0.5 mg O2 1−1, surface water is used for… CONTINUE READING
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