It bobs along the ocean floor, using as little energy ... the surface when looking for food. Living in depths between 2,297 ...

Do you fancy living and swimming around nearly five miles (or 7,700 ... They feed on the thousands of tiny shrimp-like creatures that scavenge the carcasses of dead fish on the ocean floor. Snail fish ...

This thrilling deep-sea fish was voted the world's ugliest animal ... believed to be unchanged for 125 million years, making them living fossils. They can launch their jaws forward to grab prey.

Dumbo octopuses live at extreme depths in oceans around the world—up to 13,000 feet below the surface—and are the deepest-living octopuses ... hoover up from the ocean floor.

Sir John Ross lowers a line more than a mile into the North Atlantic and hauls up worms and a large sea star. Norwegians haul up from the deep ... world of living lights and bizarre fish.