Fish make wonderful pets. With the right care, they have been known to live for 20 to 30 years! But don't make the mistake of thinking goldfish can take care of themselves. Although they are fairly hardy and can adapt to most conditions, they are completely dependent on your skills as a pet keeper. If you take a little time to watch this video and learn the simple basics, your new friends will reward you by living long and happy lives

Down Under, just a few nights after the November full moon - when water temperature and tides are just right - one of nature's most extraordinary events explodes into life. Thousands of coral join in an elaborate mating ritual, a synchronized dance of naturally occurring phenomena that help increase the coral's odds of survival. Journey through more than 1,200 miles of Australia's treasured Great Barrier Reef to discover the secrets of the unique marine life that inhabit this dazzling spectacle, considered to be the world's biggest single structure made by living organisms and declared a World Heritage Site by UNESCO.

A legend in the martial arts and law-enforcement communities, Takayuki Kubota demonstrates his self-defense system for armed and unarmed attacks in this instructional video.

Deep Blue is a major documentary feature film shot by the BBC Natural History Unit. An epic cinematic rollercoaster ride for all ages, Deep Blue uses amazing footage to tell us the story of our oceans and the life they support.

The three-spined stickleback is shown. Nest building, zigzag dance, fanning at the nest, sometimes following a female, also short mouth fights, the female swimming into the nest, spawning, the male poking at the rear end of the partner, inseminating the eggs in the nest after the female swims away.

A poem starts as an artist who tries to recreate meaning for an abandoned Thai Post Office but loses his own instead. Through a deteriorating journey of the mind, he encounters a signpost, a plane, delirium, an aquarium, and a specific type of ghost.

This informative herring aid from WWII makes no bones about the need to make the most of every fish.

The Hawai'ian Islands are ground zero for the aquarium trade who capture and traffic reef fish for hobbyists’ tanks, decimating the reef, ocean and earth’s oxygen. Native Hawai'ians, conservationists, scientists, aquarium fish collectors and breeders are locked in a controversy over the stunning “treasure of Hawai'i” – the ornamental fish.