If you’re freaked out by things that crawl, you may want to look away from your screen.

This video shows millions upon millions of newly spawned red crabs making their way onto Christmas Island after hatching at sea.

According to parksaustralia.gov, eggs released by the females hatch immediately on contact with the sea water, then clouds of young larvae swirl near the shore before being washed out to sea by waves and tides.

After about a month in the ocean, the larvae develop into prawn-like animals called megalopae. These tiny megalopae gather close to the shore for roughly a day or two before transforming into crabs and then making their way inland, as you can see in the video below.

Here is another video showing more images from this mass migration of red crabs on Christmas Island:

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Image is a screenshot from the YouTube video