The ionic composition of the plasma and erythrocytes of deep sea fish |
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| Authors: | C Shelton A G Macdonald A Pequeux I Gilchrist |
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| Institution: | (1) Department of Physiology, Marischal College, University of Aberdeen, AB9 1AS Aberdeen, Scotland;(2) Laboratoire de Physiologie Animale, Universite de Liège, Quai Van Beneden, B-4020 Liège, Belgium;(3) Department of Mechanical Engineering, Brunel University, UB8 3PH Uxbridge, England;(4) Present address: Department of Biochemistry, Royal Free Hospital, School of Medicine, Rowland Hill Street, London |
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| Abstract: | Summary This paper reports measurements of the plasma osmolarities, the main inorganic ions and the concentrations of plasma proteins
in nine species of deep sea fish from depths of 900–4,000 m.
Chloride and magnesium values are high compared to those of shallow water fish. These ions may be contaminants from sea water
either contributing to, or resulting from, the animals' moribund condition. They may also contribute to the failure of isolated
erythrocytes to show ionic regulation even after being restored to their normal high pressure. |
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