1) Fishing techniques and method 
Electrofishing uses electricity to stun fish before they are caught. Electrofishing is a common scientific survey method used to sample fish populations to determine abundance, density, and species composition. When performed correctly, electrofishing results in no permanent harm to fish, which return to their natural state in as little as two min...
Passing an electric current through the water to stun the fish, so that they can be collected unharmed for tagging or scientific examination or for relocation to another water.
fishing by stunning fish with electric shock. As used when checking waters for fish count