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Saltwater Ecology: Cnidarians

Related Article: Learn more about coral.

Together, algae and coral animals extract minerals from sea water and redeposit them. This process forms coral reefs.

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Saltwater Ecology: Cnidarians (1:43)

Together, algae and coral animals extract minerals from sea water and redeposit them. This process forms coral reefs.

Saltwater Ecology: Comb Jellyfish (0:28)

Comb jellyfish are not cnidarians, but they are predators. They are 98 percent water and, like other jellyfish, transparent and nearly invisible.

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Shakespeare Monkey (2:27)

What are the odds a monkey could randomly type "to be or not to be?" on a type writer?

Wild Kingdom: The White Warrior (1:10)

A great white shark displays brute strength on Wild Kingdom's "Way of the Warrior."

Up Close and Dangerous: Aggression versus Instinct (1:05)

Learn the difference between a shark attack and the technique of 'mouthing,' which sharks use to explore new objects in the underwater environment.

Way of the Warrior: The White Warrior (1:08)

A great white shark displays a combination of brute strength and cunning stealth. Learn more about this shark's vicious hunting tactics in this clip from Wild Kingdom's "Way of the Warrior."

Up Close and Dangerous: Diving with Dolphins (3:45)

Ever wonder what can happen while filming a dolphin? Join wildlife filmmaker Tony Miller as he tells us about his strange experiences filming dolphins.

The Jeff Corwin Experience: Life Among Gorillas (3:25)

While approaching a family of gorillas, Jeff Corwin, star of Animal Planet's hit show, the Jeff Corwin Experience, educates us about the different members of the group.

Cheetah: Race Against Time Feeding Time (1:03)

A pack of cheetahs stalks the meat-mobile in this Animal Planet clip.

Austin Stevens: Amethystine Python (3:35)

Austin Stevens, star of Animal Planet's hit show Austin Stevens: Snakemaster, becomes entangled with a fourteen foot amethystine python and nearly gets strangled.

Amazon Claws: Armor-Clad Claws (1:07)

Infant armadillos are completely helpless and have very few fully formed features. Their claws, however, are already developed at birth. See a baby armadillo up-close in this Animal Planet video.

Wolverine Revealed: Dangerous or In Danger? (2:06)

The wolverine has a reputation for being one of the most dangerous, ravenous animals in the wild -- but few people have seen the creature up close. Learn more this vulnerable species.