Electric current stuns the fish and they float to the surface.
Commentary, documentation on file.
VS. Good of fast flowing trout streams in Czechoslovakia with men wearing waders fishing for the trout, shots of the trout below the surface of the water. VS. A new idea for catching trout. A rod is put into the water and a small electric current stuns the fish and they float to the surface. MS. The stunned fish are transferred to another bed and they come round again.