electrofishing
Sign in to saveAlso known as electric fishing
thumb|300px|right|Scientists carrying out a population and species survey using electrofishing equipment Electrofishing is a fishing technique that uses direct current electricity flowing between a submerged cathode and anode. This affects the movements of nearby fish so that they swim toward the anode, where they can be caught or stunned.
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thumb|300px|right|Scientists carrying out a population and species survey using electrofishing equipment Electrofishing is a fishing technique that uses direct current electricity flowing between a submerged cathode and anode. This affects the movements of nearby fish so that they swim toward the anode, where they can be caught or stunned.
Electrofishing is a common scientific survey method used to sample fish populations to determine abundance, population density and species composition. When performed correctly, electrofishing results in no permanent harm to the fish, which return to their natural mobility state in as little as two minutes after being caught.