Deep-sea fish have evolved unique traits to thrive in their unforgiving habitat.

Transparent-faced fish drift through dusky waters. Snowlike flecks of dead plants sift down from the world above. Soft ...

Other deep-sea fish throw off luminescent beams from their faces—searchlights that help them find food. Perhaps most famously, the anglerfish uses a glowing lure to draw prey into its toothy maw.

In new research published in Current Biology on Thursday, scientists looked at 16 species of deep sea animals that can absorb more than 99.5 percent of visible light directed at them, making them ...

How Deep-Sea Fish Are So Exceptionally Black In the darkness of the oceans' depth, fish have evolved a strategy to become nearly invisible to prey.

A newly discovered visual system in deep-sea fish could allow them to discern predators from prey in the low-light conditions found at the bottom of the ...