It's a world full of organisms with unique adaptations to such a challenging ... its head back and stick out the lower jaw to reach out and grab fish, squid and crustaceans. Many deep-sea creatures ...

You don't have to look to outer space to find creatures that are nothing like you would expect to find on Earth. The fish ...

But drop this fellow 9,200 feet below sea level ... They have very little red muscle, the kind that allows you, a human, to run a mile or a tuna fish to migrate across oceans.

The brightly coloured coral reefs of the Red Sea are an underwater paradise, home to dazzlingly beautiful fish and a fascinating ... in trying to preserve a unique marine environment.

The Red List, a conservation status ... say that could threaten the life forms unique to these chimney-like deep structures. About 500 deep-sea bony fish species, including the bioluminescent ...