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
Clams: Not Just for Chowder
They have no brain, but clams burrow deep in the mud to avoid predators such as the cow-nosed ray.
more
X
Clams: Not Just for Chowder
Invertebrates
Sharks
They have no brain, but clams burrow deep in the mud to avoid predators such as the cow-nosed ray.
X
Clams: Not Just for Chowder
They have no brain, but clams burrow deep in the mud to avoid predators such as the cow-nosed ray.
Share Link
Featured Videos
Related
Albatross vs. Tiger Shark
Bull Sharks
Dugongs
Shark Tournament
"Prehistoric" Shark Seen Attacking Deep Bait
Attacking Shark Gagged by Slime
Sharks Light Up in Neon Colors
World's Deadliest: Great White Shark vs. Seals
World's Deadliest: Hammerhead Sharks
Crittercam POV: "Swim" with Gray Reef Sharks
World's Deadliest: Shark Superpowers
Close Encounters with a Dangerous Shark
Shark Alert! Species Struggle
Whale Shark Encounter
World's Deadliest: Meet the Real "Jaws"
Rotten Shark Meat Is a Delicacy
Whale Sharks' Unusual Feast
Shark vs. Octopus
Tiger Sharks vs. Turtles
Shark Attack: Bull Sharks Upriver
Sharks in Love
Rarely Seen Sharks
Lemon Sharks
Sharks vs. Pig Carcass: Experiments Surprise Scientists
Pictures Change the World
SharkFest
Diver's Face-Off
Marine Predator's Buffet
Dangerous Shark Encounter
Shocking Shark Attack
Dodging Sharks
Smash Grab Shark Attack
This Shark Sucks
Social Sharks: "First" Video Evidence
Great White Hand Feeding
Underwater Filmmaker Faces Off With Sharks
Unexpected Shark Gives Explorer Shock of His Life
Exclusive: Deep-Sea Sharks and More Spotted by New Camera
Turns Out Sharks Love Lasers
The Real Jaws
Caught in the Bait Ball
North Carolina Shark Frenzy
Rarely Seen Shark Filmed Near Underwater Volcano
Sharks Discovered Inside Underwater Volcano (EXCLUSIVE VIDEO)
Photographing our Seas: Sharks and Sardines
Sinking in Shark-Infested Waters: WWII Survivors Recall Navy Disaster
Photographing our Seas: Sharks After Dark
Most Popular
Editor's Picks
Newest
All
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Weird & Wild
Watch the incredible origami-like wings of the earwig unfurl
02:40
News
Mother Bear Fights Tiger to Save Her Cub in Dramatic Video
01:57
Magazine
Watch One Family's Journey Through A Life-Changing Face Transplant
22:39
Focal Point
The Science of Addiction: Here's Your Brain on Drugs
03:57
News
See the unique and endangered dragon's blood trees of Socotra
01:21
101 Videos
Earth 101
03:17
Cobra vs. Mongoose
01:55
Sponsor Content
Great Innovators: The Rise of Australian Wine
45:17
Short Film Showcase
See How Technology is Changing Traditional Teenage Dating in Cambodia
07:47
Adventure
Alone on the Wall: Alex Honnold
04:18
101 Video Shorts
What Is Thanksgiving?
01:50
News
Endangered Horse Birth Breakthrough
03:00
Weird & Wild
Rare dumbo octopus shows off for deep-sea submersible
02:36
Mating Moments
03:14
Anaconda Breeding Ball
02:00
Short Film Showcase
Imagine Making One Dress You’ll Wear Every Day for Life
02:20
Show More Videos
