What is the ideal water temperature range for conducting effective electrofishing?

The ideal water temperature range for conducting effective electrofishing is between 7° to 16° Celsius. This temperature range is optimal because it allows for the most effective stimulation of fish while minimizing stress and injury. Fish are more active and responsive to electrical fields in this temperature window, which enhances both capture efficiency and species diversity.

At temperatures below 7° Celsius, fish may become lethargic and less responsive to electrofishing efforts, making it difficult to achieve successful catches. Conversely, at temperatures above 16° Celsius, particularly above 25° Celsius, fish can become stressed due to decreased oxygen levels and increased metabolism, which can result in lower capture rates and increased risk of harm to the fish. Therefore, the range of 7° to 16° Celsius strikes a balance, promoting effective sampling while ensuring the well-being of the fish.