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 ocean, new research suggests.

“We just thought if other fish are more variable in their visual system than previously thought, we should look at the deep-sea fishes,” said Walter Salzburger, an evolutionary biologist at ...

The eyes of little-understood fish that lurks in the barely-lit deep sea have evolved to see in color, scientists believe. The work, published in the journal Science, calls into question past ...

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This newly discovered dark-vision may enable the fish that use it to see some colors at depths of up to 5,000 feet below sea level, Gizmodo reports.Light from the surface world can barely reach ...

I SPY Eye proteins surprisingly found in some deep-sea fishes such as the tube-eye fish (shown) raise the possibility that the animals can see color in the ocean’s dark depths. ©Solvin Zankl ...

It may also enable the fish to pick up bioluminescence, light that some deep-sea creatures emit in a variety of colors with wavelengths between 420 and 520 nanometers. Because the silver spinyfin has ...

Deep Sea Squid Communicate With Glowing Skin By making their bodies glow, ... Known as "red devils," the squid can rapidly change the color of their skin, ...

The sea cucumber’s color is “unique,” researchers said, and its smaller number of tentacles (15 compared to 18 found in other related species) sets the animal apart.

However, an international collaboration of researchers have discovered several species of fish that likely can see in color, even in regions of the ocean that light cannot reach.