You've heard the annoyingly catchy song – but did you know these

Some baby sharks eat their unborn siblings in utero, while others spend 100 years in childhood. Sink your teeth into the weird world of these juvenile wonders of the deep.

Swordfish missing circle-shaped chunks of flesh hauled…

The Science of Why 'Baby Shark' Is So Freaking Catchy, baby shark

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You've heard the annoyingly catchy song – but did you know these incredible facts about baby sharks?

Baby shark with a 'human' face , meme faces human

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The Science of Why 'Baby Shark' Is So Freaking Catchy, baby shark