Up Next
Back to Show
Deep Look
Once a Spawn a Time: Horseshoe Crabs Mob the Beach
Season 8
Episode 14
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.
Support Provided By
5:16
Sharpshooter insects transmit a devastating disease that kills grapevines.
4:46
The California floater mussel does a surprising amount of travel - for a bivalve.
4:20
The Aedes aegypti mosquito makes a meal of us around our homes.
3:50
Indian walking sticks are more than just twig impersonators.
4:32
These little "itch hikers" make an amazing leap 100 times faster than the blink of an eye.
4:06
Kangaroo rats have exceptional hearing and powerful hind legs.
4:39
Female webspinners shoot super-fine silk from their front feet.
3:56
Every fall, male tarantulas leave home for good with one thing on their minds: sex.