Development of dependence on aerial respiration in Polypterus senegalus (Cuvier)

  title={Development of dependence on aerial respiration in Polypterus senegalus (Cuvier)},
  author={Mohamed Mousa Babiker},
The respiratory behaviour and partitioning of O2 uptake between air and water were investigated in Polypterus genegalus using continuous-flow and two-phase respirometers and lung gas replacement techniques P. senegalus rarely resorts to aerial respiration under normal conditions. Partitioning of O2 consumption depends on the activity and age of fish and the availability of aquatic oxygen. Immature fish (12–22 g) cannot utilize aerial O2 but older fish exhibit age-dependent reliance on aerial… CONTINUE READING


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