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pH, Salinity and Temperature Tolerance of Lake Magadi Tilapia

Naturevolume 247page315 (1974) | Download Citation



THERE are several species of Tilapia isolated in the alkaline lakes of the Great Rift Valley of Africa, living in extreme conditions of temperature, salinity and pH. One of these fish, the Lake Magadi Tilapia (Tilapia grahami), lives in the lagoons and alkaline volcanic springs around the margin of Lake Magadi in Kenya1. The main salts of the springs, and the lake, are carbonate and bicarbonate of sodium.

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  1. 1

    Coe, M. J., Acta tropica, 23, 146 (1966).

  2. 2

    Doudoroff, P., in The Physiology of Fishes (edit. by Brown, M. E.), 2, 403 (Academic Press, New York, 1957).

  3. 3

    Brown, J. H., and Feldmeth, C. R., Evolution, 25, 390 (1971).

  4. 4

    Albrecht, H., Apfelbach, R., and Wickler, W., Senckenberg. biol., 49, 107 (1968).

  5. 5

    Taras, M. J., Greenberg, A. E., Hoak, R. D., and Rand, M. C., Methods for the Examination of Water and Wastewater, thirteenth ed., 477 (American Public Health Association, Washington, DC, 1971).

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  1. Department of Zoophysiology, University of Aarhus, Aarhus, Denmark

    • O. B. REITE
    • , G. M. O. MALOIY
    •  & B. AASEHAUG
  2. Departments of Animal Physiology and Animal Production, University of Nairobi, Nairobi, Kenya

    • O. B. REITE
    • , G. M. O. MALOIY
    •  & B. AASEHAUG


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