Scientists have long presumed that the creatures in the deep ocean experienced a dark, colorless world. But some of the fish who live there may be able to see colors thanks to a newly discovered ...

Illustration of the silver spinyfin (Diretmus argenteus)—the vertebrate with the highest number of opsin genes. Image: (Alexandra Viertler, University of Basel) A newly discovered visual system in ...

New research reveals signs of highly sensitive color vision in fish that live in the abyss beyond sunlight's reach An international team of researchers discovered a previously unknown visual system ...

Nature is harsh. But over time, animals can evolve to adapt to that harshness with stunning methods. Scientists have discovered a previously unknown visual system that may allow color vision in deep, ...

The African elephantnose fish generates weak electrical pulses to navigate its environment. This localization sense apparently shows an astonishing similarity to vision, as a study now shows. The ...

Life in the deep reaches of the oceans often takes on unusual forms to suit its surroundings. Some species of fish evolve into strange shapes and invent entirely novel methods of hunting prey in the ...

The bottom of the ocean is dark. Like, really dark. So dark that some marine species have evolved ways of life that don't depend on light. There are microorganisms that live off of heat vents at the ...

You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

After scuba diving and shooting video at Tunnels Beach one day I had a tourist come up to me and say she saw a clownfish out on the reef while snorkeling. I responded back and said that we do not have ...

DEAR NOLA’S MOM: These peppy little fish, also known as Siamese fighting fish are customarily kept as solo pets. The main colors include: blue, red, turquoise, yellow, white and orange — and there are ...

Despite the vast evolutionary gulf between humans and the three-spined stickleback fish, the two species have adopted a common genetic strategy to acquire the skin pigmentation that helps each species ...

BANGKOK (AP) — A Siamese fighting fish with the colors of the Thai national flag has been bought for 53,500 baht ($1,530) at an online auction, possibly making it the most expensive Betta fish ever ...