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
Pale Blue Dot – 30th Anniversary
02:49
Culture & History
Birdwatching with FARC
15:31
101 Videos
Volcanoes 101
04:58
101 Videos
Earthquakes 101
05:01
Perpetual Planet
What mud from glacial lakes can tell us about our history and future
08:16
Magazine
See how wildlife is bouncing back in this African park
16:43
Sponsor Content
Keeping Canada clean
05:24
Culture & History
Meet Cambodia’s first women’s wheelchair basketball team
13:15
The Story of Plastic
Your sneakers are part of the plastic problem
05:36
Partner Content
A very different kind of hydropower
04:38
Environment
These peatlands could be critical to fighting climate change
02:49
Partner Content
Sustainable technology built sustainably
04:37
Animals
Shark tagged from submarine for first time in history
02:04
Science
Science fiction inspires the future of science. Here’s how.
12:53
Animals
Inside the surprisingly social lives of manta rays
01:41
Environment
Amazon fires 'so much worse than before' say locals
01:57
Show More Videos
