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
3:56
Scorpions are notorious predators, but they also have delicate sensory organs.
4:52
The hydra, named after a mythical multiheaded monster, may be the secret to eternal youth.
4:25
This fly’s larvae tunnel inside greens like arugula and kale, leaving squiggly marks.
4:15
Each seed is home to a head-banging moth larva, trying to survive the Sonoran Desert sun.
5:01
Female aphids are matriarchs of a successful family operation — taking over your garden.
4:36
Firebrats and silverfish are pretty darn similar to some of the earliest insects on Earth.
4:11
After sunset, tiny crustaceans called beach hoppers emerge from sandy underground burrows.
4:12
Two tiny mites duke it out on strawberry plants throughout California.
4:00
California oak moth caterpillars eat all the leaves on an oak. Will the tree survive?
4:33
Don't despair – there *is* a trick to smacking these infuriating insects.
4:14
These sea slugs may look lazy, but eelgrass sea hares are actually environmental heroes.
4:33
They may look cute and colorful, but starfish are actually voracious predators.