Perfect Predators: Shark Migration Study

Scientists believe that the migration pattern of sharks has to do with their ability to sense the Earth's magnetic field. On Discovery Channel's "Perfect Predators," watch as scientists test this theory by putting sharks in a tank with electric currents.


Most Watched in Saltwater Fish

Most Watched in Saltwater Fish
2:53

Life: Flying Fish Fly

Most Watched in Saltwater Fish
4:22

Shark Week: Shark Skin vs. Sandpaper

Most Watched in Saltwater Fish
2:52

Perfect Predators: The Bull Shark's Lateral Line

Most Watched in Saltwater Fish
2:22

Shark Week: A Nurse Shark's Diet

Most Watched in Saltwater Fish
2:26

Perfect Predators: Mako Shark Speed

Most Watched in Saltwater Fish
2:11

Ultimate Guide to Sharks: Shark Evolution

Most Watched in Saltwater Fish
0:53

Perfect Predators: Lemon Shark Negaprion

Most Watched in Saltwater Fish
1:05

Ultimate Guide to Sharks: Ampullae of Lorenzini

Most Watched in Saltwater Fish
2:00

Prehistoric: Megalodon

Most Watched in Saltwater Fish
2:43

Ultimate Guide to Sharks: Shark Teeth

Most Watched in Saltwater Fish
0:48

Barracuda in Slow Motion

Most Watched in Saltwater Fish
0:57

Backend Eating Barracudas


Recent Videos in Saltwater Fish

Recent Videos in Saltwater Fish
2:00

Prehistoric: Megalodon

Recent Videos in Saltwater Fish
2:30

Earth: Bizarre Giant Fish Filmed

Recent Videos in Saltwater Fish
1:09

Discovery Adventures: Andy DeHart

Recent Videos in Saltwater Fish
3:04

The Crocodile Hunte:, Whale Sharks of the Wild West

Recent Videos in Saltwater Fish
1:11

Madman of the Sea: Bait Smell

Recent Videos in Saltwater Fish
1:16

Madman of the Sea: Tough Skin

Recent Videos in Saltwater Fish
1:06

Madman of the Sea: Shark Out of Water

Recent Videos in Saltwater Fish
2:17

Madman of the Sea: Tagging a Marlin from a Jet Ski

Recent Videos in Saltwater Fish
1:48

Madman of the Sea: Catching a Giant Dogtooth Tuna

Recent Videos in Saltwater Fish
2:53

Life: Flying Fish Fly

Recent Videos in Saltwater Fish
1:38

Superswarm: Fish Vortex

Recent Videos in Saltwater Fish
2:50

LIFE in the News: Whale Sharks