Reports

Gas Spitting by Alarmed Fish Disturbs Their Hydrostatic Equilibrium

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Science  14 Sep 1962:
Vol. 137, Issue 3533, pp. 864-865
DOI: 10.1126/science.137.3533.864

Abstract

Besides maintaining hydrostatic equilibrium, the physostomatous gas bladder of fish has the broader function of adapting the density of the fish to momentary needs.