Fish Kills

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The sudden death of fish due to natural causes, pollutants, or environmental factors such as the reduction of the dissolved oxygen concentration in a body of water.

Publications

Dissolved Oxygen for Fish Production

Ruth Francis-Floyd

This document is about dissolved oxygen (DO). DO refers to oxygen gas that is dissolved in water. Fish "breathe" oxygen just as land animals do. However, fish are able to absorb oxygen directly from the water into their bloodstream using gills, whereas land animals use lungs to absorb oxygen from the atmosphere. First published in 1992.