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
Newest
Earth
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
News
Astounding Video of Volcano Shock Wave
01:03
News
World’s Most Powerful Geyser Erupts Three Times After Years of Quiet
02:08
101 Videos
Continental Drift 101
01:14
News
See a Gigantic Sinkhole on New Zealand’s North Island
00:57
Wild Chronicles
Fossil Found in Kitchen Counter
06:31
Expedition Raw
Watch: Inside the World's Longest Sea Caves
01:58
News
Watch a Road 'Breathing' in Mexico After an Earthquake
01:42
News
New Discovery: Are These the Oldest Fossils Ever Found?
01:47
Camera Submerged in Hot Lava, Keeps Recording
02:02
UNESCO World Heritage Sites
Vietnam's Ha Long Bay Is a Spectacular Garden of Islands
02:48
Short Film Showcase
His Epic Message Will Make You Want to Save the World
04:08
Travel
The Monasteries of Meteora, Greece
02:13
News
Watch These Giant Whales Visit an Ocean ‘Day Spa’
01:20
What Was the Biggest Volcanic Eruption in History?
00:30
News
Time Lapse: Watch One Earth Year From Space
02:47
Short Film Showcase
A Rock’s Fantastic, Imaginary Journey Through Time and Space
05:43
Show More Videos
