Fish bait animator - GIF

Fish bait animator.

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Previously:

Baitcaster fishing reel durability tester - GIF
Bird baiting fish with bread crumbs - GIF
Fishing swimbait - GIF
Automatic fishing rod holder - GIF
Drone fishing fail - GIF
Electrofishing for carp - GIF
Fishing for piranhas - GIF
Fishing tournament cheaters busted - video

Muscle tissue will contract randomly if an electrical current is applied. I wonder if another approach here might be a probe that zaps the fish to simulate postmortem convulsions and spasms. That feels like the sort of thing a predator fish would probably find interesting.