Watch A Ninja Seahorse Stalk Its Prey

So stealthy.

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But it turns out the shape of a seahorse's head is actually perfectly adapted to getting close to prey without being noticed.

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Brad Gemmell / Via blogs.discovermagazine.com

A study out this week suggests that a seahorse's head is adapted to move through water with minimal disturbance. Their tiny crustacean prey, called copepods, can detect even slight ripples in the surrounding water, so this adaptation is pretty key for slow-swimming seahorses.