Fish Kills

When a number of dead fish are found in one place, the incident is referred to as a fish kill, and there is significant reason to suspect pollution. The three main causes of fish kills are poisoning, disease, and suffocation.

Sanitation worker using a rake to remove dead fish from the Rodrigo de Freitas lake in Rio de Janeiro, Brazil. (©Reuters New Media Inc./Corbis. Reproduced by permission.)

aquaculture practice of growing marine plants and raising marine animals for food

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