NATIONAL GEOGRAPHIC
VIDEO HOME
NAT GEO TV
NAT GEO WILD
KIDS
MORE VIDEOS
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Sea Urchin Fertility
Now that's a busy mother. A female sea urchin produces 500 million eggs in her lifetime.
more
X
Sea Urchin Fertility
Invertebrates
Now that's a busy mother. A female sea urchin produces 500 million eggs in her lifetime.
X
Sea Urchin Fertility
Now that's a busy mother. A female sea urchin produces 500 million eggs in her lifetime.
Share Link
Featured Videos
Related
Carrier Crab
Clownfish and Sea Anemone Partnership
Coral Reef Spawning
Clams: Not Just for Chowder
Jelly Plankton
Hairy Sea Cucumber
Record-Breaking Sea-Creature Surveys Released
Tiny New Sea Species Discovered—First Ever Video
Bacteria-size Babies Among Ocean's Smallest Life
Polar Algae Forests Explored
Giant Undersea Volcano Revealed
Why the Ocean Matters
New Species Found at Great Barrier
Sea"Mucus" Blobs Pose Threat
Piglet Squid, Other Bizarre Species Found
World's Weirdest: Amazing Sting Defense
World's Weirdest: Portuguese Man-of-War
Clams vs. the World
World's Deadliest: Bizarre Slime Cannon Attack
World's Weirdest: Flatworm Penis Fencing
World's Weirdest: Killer Cone Snail
World's Deadliest: Zombie Snails
Neon Killers
Dance of the Jellyfish
World's Weirdest: Sea Cucumber Fights With Guts (Literally)
World's Deadliest: Sudden Death Cuttlefish
World's Weirdest: Underwater Love Chain
Stunning Jellyfish
Snail Zombies
Terebellid Worm
Poison in a Cone
Moochers of the Caribbean
Sea Angels
Nudibranch
Portuguese Man-of-War
Sea Salps
Plumed Worm
Horseshoe Crabs Mate in Massive Beach "Orgy"
Stunning Video: The Portuguese Man-of-War Up Close
Watch These Millipedes Glow in the Dark
Watch: Tiny Hydra Rips Its Mouth Open to Eat
Mind-Blowing Camouflage Starts With These Animals’ Unusual Eyes
Mysterious Purple Blob Surprises Scientists
Watch: Fireflies Glowing in Sync to Attract Mates
What are Comb Jellies and Why is Their Poop Important?
First Ever Footage: Watch Coral Bleaching Happen Before Your Eyes
This Sea Slug Eats Its Own Kind
Newest
All
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Culture & History
These divers search for slave ship wrecks and discover their ancestors
18:06
101 Videos
Tornadoes 101
05:16
Animals
What a sea snail die-off means for Californians—and the climate
11:06
Culture & History
Nat Geo's Aaron Huey's most epic photos
10:17
Animals
See why this colorful ‘king of birds’ is the center of conservation efforts
09:29
Exploration & Adventure
Watch this man brave an icy plunge in the Arctic.
01:11
Animals
See how this school of tiny fish uses bacteria to glow in the dark
03:13
The Story of Plastic
What's the world's most littered plastic item? Cigarette butts
05:05
Animals
Behind the scenes: A rumor about opiates and pangolin scales is debunked
05:07
101 Videos
Fossils 101
04:07
wild_life with bertie gregory
For harp seal pups, survival depends on its first ten days
12:15
wild_life with bertie gregory
Behind the shot: Visit the vibrant world under the Arctic sea ice
01:00
Animals
Watch Arctic wolf pups on first family outing, in rare footage
02:14
Environment
See the crack splitting an Antarctic ice shelf in two
02:17
wild_life with bertie gregory
Polar bear cubs must grow up fast in the unpredictable Arctic
10:50
wild_life with bertie gregory
Behind the shot: Brutal blizzard proves to be a challenge in filming polar bears
01:33
Show More Videos
