We think it's safe to say these people won't be going for a swim in the sea anytime soon.

To get the hype up for their ridiculous shark-disaster-odyssey Sharknado 2, the good people at SyFy decided to scare the bejaysis out of humble fish-hungry shoppers in a North London fishmongers by propping up a small shark on the counter and then bringing it 'back to life' at just the right time.

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