Imagine sinking hundreds of feet below the ocean’s surface. The blue fades. The warmth disappears. By the time you reach about 650 feet down, sunlight is barely a memory. Go deeper, and it’s complete ...

The deep-sea fish ended up with glowing lures not just to snag meals, but also to attract mates, a new study finds.

Discover 25 bizarre deep sea adaptations you won't believe! Explore creatures with transparent heads, bioluminescent lures, ...

From deep-sea predators to insects on the forest floor, living organisms across the planet have evolved the ability to glow. This phenomenon, known as bioluminescence, has appeared independently ...

Barreleye fish are named for their unique, barrel-shaped eyes. These eyes can rotate, allowing the fish to look both upward and straight ahead. Their eyes also have bright green lenses protected ...

The giant oarfish is the longest bony fish in the world and can grow up to 36 feet long. This elusive species lives in the ocean’s “twilight zone,” 650 to 3,300 feet below the surface. Oarfish swim in ...

The silver spinyfin, or little dori, inhabits a layer of the deep sea, where the Twilight Zone’s blue fades to black, often half a mile below the surface. Down there, they may see the world like no ...

Open-access research from the University of Kansas appearing in the peer-reviewed journal Ichthyology & Herpetology is giving new detail to the evolutionary history of anglerfishes’ lures, studying ...

If you've been to Newport Beach, California, in the spring and fall months, you might have witnessed the wonderful phenomenon that is the bioluminescent waves. Every year, walking along the beach at ...

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A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...