Instructional Video5:28
Catalyst University

Electric Rays: 200 V Electrifying Machines!

Higher Ed
Here we explore interesting facts about Electric Rays, cartilaginous ray-fish that can generate up to 200 V of electricity to attack their prey or defend against predators.
Instructional Video4:59
Ancient Lights Media

Biological Classification - The Eight Classes of the Subphylum Vertebrata

6th - 8th
Biological Classification Set: This clip introduces the eight classes of animals that make up the subphylum vertebrata.
Stock Footage0:11
Getty Images

MS Great White Shark swimming just below surface diagonally past camera, from topside, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming just below surface diagonally past camera, from topside, Guadalupe Island, Pacific Ocean
Stock Footage0:09
Getty Images

MS Manta Ray swimming over camera, low angle, Layang Layang, Borneo, Malaysia

Pre-K - Higher Ed
MS Manta Ray swimming over camera, low angle, Layang Layang, Borneo, Malaysia
Stock Footage0:08
Getty Images

CU Thornback Ray, Raja clavata, underwater, foraging through sand on seabed, Australia

Pre-K - Higher Ed
CU Thornback Ray, Raja clavata, underwater, foraging through sand on seabed, Australia
Stock Footage0:12
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MCU Great White Shark swimming past camera, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MCU Great White Shark swimming past camera, Guadalupe Island, Pacific Ocean
Stock Footage0:12
Getty Images

MCU Great White Shark swimming to and past camera, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MCU Great White Shark swimming to and past camera, Guadalupe Island, Pacific Ocean
Stock Footage0:17
Getty Images

MCU Great White Shark swimming to and past camera, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MCU Great White Shark swimming to and past camera, Guadalupe Island, Pacific Ocean
Stock Footage0:24
Getty Images

MS Great White Shark swimming past shark cages, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming past shark cages, Guadalupe Island, Pacific Ocean
Stock Footage0:10
Getty Images

MCU Great White Shark swimming to camera following bait, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MCU Great White Shark swimming to camera following bait, Guadalupe Island, Pacific Ocean
Stock Footage0:10
Getty Images

MCU Great White Shark swimming to and past camera, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MCU Great White Shark swimming to and past camera, Guadalupe Island, Pacific Ocean
Stock Footage0:11
Getty Images

MS Great White Shark swimming underwater towards bait, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming underwater towards bait, Guadalupe Island, Pacific Ocean
Stock Footage0:09
Getty Images

MS Great White Shark swimming just below surface, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming just below surface, Guadalupe Island, Pacific Ocean
Stock Footage0:12
Getty Images

MS Great White Shark swimming through sunlit water, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming through sunlit water, Guadalupe Island, Pacific Ocean
Stock Footage0:14
Getty Images

MS Great White Shark swimming to and biting bait, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming to and biting bait, Guadalupe Island, Pacific Ocean
Stock Footage0:11
Getty Images

MCU Great White Shark swimming past camera, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MCU Great White Shark swimming past camera, Guadalupe Island, Pacific Ocean
Stock Footage0:09
Getty Images

MS Tracking baby Mako Shark swimming through shark cage, Mexico

Pre-K - Higher Ed
MS Tracking baby Mako Shark swimming through shark cage, Mexico
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Getty Images

MS Great White Shark swims past camera, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swims past camera, Guadalupe Island, Pacific Ocean
Stock Footage0:07
Getty Images

MS Great White Shark swimming under shark cage, towards bait, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming under shark cage, towards bait, Guadalupe Island, Pacific Ocean
Stock Footage0:11
Getty Images

MS Great White Shark underwater, from topside, chases bait, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark underwater, from topside, chases bait, Guadalupe Island, Pacific Ocean
Stock Footage0:21
Getty Images

MS Great White Shark swimming underwater, moves towards bait, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming underwater, moves towards bait, Guadalupe Island, Pacific Ocean
Stock Footage0:17
Getty Images

MS Tracking Great White Shark surrounded by shoal of fish, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Tracking Great White Shark surrounded by shoal of fish, Guadalupe Island, Pacific Ocean
Stock Footage0:19
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MS Great White Shark swimming towards and attacking shark cage, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark swimming towards and attacking shark cage, Guadalupe Island, Pacific Ocean
Stock Footage0:44
Getty Images

MS Great White Shark, Carcharodon carcharias, swimming around shark cages, Guadalupe Island, Pacific Ocean

Pre-K - Higher Ed
MS Great White Shark, Carcharodon carcharias, swimming around shark cages, Guadalupe Island, Pacific Ocean