Once a Spawn a Time: Horseshoe Crabs Mob the Beach

Horseshoe crabs may look scary, but really they’re lovers, not fighters.

Once a Spawn a Time: Horseshoe Crabs Mob the Beach Deep Look

Premiered August 31, 2021
Once a Spawn a Time: Horseshoe Crabs Mob the Beach

Horseshoe crabs may look scary, but when it’s springtime in Delaware Bay, millions of these arthropods show they’re lovers, not fighters. They lay masses of blue-green eggs up on the shore. At just the right time, they pop and release the larvae within to the sea.

About the Program

Deep Look

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

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