HowStuffWorks Videos "Natural Focus: The Population of Asiatic Clams"

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No Safe Sex for Octopus (0:53)

Watch this Reuters video to learn more about the mating habits of Octopuses. Male octopuses mate several times a day and are fiercely protective of their females. Several days after mating, both the male and female octopus die.

Researchers Monitor Mussels (4:03)

Government researchers monitor mussels in Arkansas.

Three Facts about Octopuses (1:05)

Three questions are answered about the mysterious octopus.

The Mysteries of the Octopus (3:14)

A marine biologist demystifies the octopus.

Giant Squid Caught in New Zealand (1:27)

Watch this video showing a giant squid that was caught in New Zealand on HowStuffWorks. Local reports said early estimates put the colossal squid at about 30 feet long and weighing nearly 1,000 pounds -- about 300 pounds heavier than the next... More »

10 Ways to Meet a Monster: Giant Squid (2:38)

On the Science Channel's "10 Ways to Meet a Monster," a squid photographer recalls his first squid encounter. Squid are deadly predators often hunting in packs for vulnerable prey.

What's To Love: Octopus Anatomy (1:17)

On Animal Planet's "What's to Love?" we learn the octopus has eight legs and and a total of 1,920 suction cups. After mating, the males and females die after a few months.

Fooled by Nature: Intelligent Octopus (2:45)

On Animal Planet's "Fooled by Nature," octopi use their intelligent arms to capture prey and explore their environments. Their arms contain neurons enabling the octopi to use them independently.