At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the deepest-living fish on Earth.

A silver fish with many sharp teeth against a black background Many of the fish lurking in the depths of the ocean resemble the alien villains of horror films, with gargantuan teeth, glow-in-the-dark ...

It's long been a staple on seafood menus and in frozen fish fillets at the grocery store. But dig a little deeper and orange roughy (also known as deep sea perch) is actually one of the most ...

The deep sea contains more than 90% of the water in our oceans, but only about a third of all fish species. Scientists have long thought the explanation for this was intuitive -- shallow ocean waters ...

Bobbing along on the research vessel Western Flyer just outside California’s Monterey Bay, marine biologist Karen Osborn and her colleagues were hauling deep-sea fish to the surface for cataloging and ...

The ocean's surface is a friendly place. Clownfish wave hello from cartoonish anemones, parrotfish are shimmering rainbows come to life, and sea turtles cruise around like stoned surfers on ...

Dead fish, full of a lifetime of mercury, may function as a vessel of this toxin to the deep ocean. While mercury occurs naturally in the environment, human industrial activities have rapidly ...

Fish can drown. While it may not seem like it, fish do require oxygen to breathe; it's just that they get what they need from the oxygen dissolved in water rather than in the air. Too little oxygen ...

Summertime bass fishing is popular with anglers throughout the country. Lake-dwelling largemouth bass are a great summer fish because they are usually receptive to a huge variety of baits, lures and ...

The Deeper Smart Sonar works in both salt and fresh waters, gives fishermen a detailed view of water bed contour and provides fish-finding features and fish shoal locations, enabling fishermen to ...