Sodium and Water Balance in the Cichlid Teleost, Tilapia Mossambica
Open Access
- 1 December 1967
- journal article
- Published by The Company of Biologists in Journal of Experimental Biology
- Vol. 47 (3), 461-470
- https://doi.org/10.1242/jeb.47.3.461
Abstract
1. The total body sodium increases from 45.9 µM/g. fish in fresh water to 59.9 µM/g. fish in 200 % sea water. 2. The rate of exchange of sodium increases from 2 µM/g./hr. in fresh water to 60 µM/g./hr. in 100% sea water. 3. The rate of drinking increases from 0.26%/hr. fresh water to 1.6%/hr. in 400% sea water. Even in 200% sea water drinking accounts for only a quarter of the total sodium influx. 4. The permeability to water, as measured by tritiated water, is highest in fresh water and lowest in 200% sea water. The permeabilities to water measured in this way are consistent with the drinking rates determined in sea water and 200% sea water.This publication has 8 references indexed in Scilit:
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