By Will Dunham WASHINGTON, Feb 18 (Reuters) - For more than a century, biology textbooks have stated that vision among vertebrates - people included - is built from two clearly defined cell types: ...

Two species of small, deep-dwelling fish called pearlsides possess eye cells that break the rules of vertebrate vision, combining features of rods and cones into a single hybrid photoreceptor never ...

"Our results challenge the longstanding idea that rods and cones are two fixed, clearly separated cell types. Instead, we ...

Recent studies challenge long-standing beliefs about vertebrate vision with the discovery of a novel visual system in deep-sea fish, while a groundbreaking fossil find in Niger reveals a remarkable ...

Deep-sea fish larvae reveal hybrid photoreceptors that blend rods and cones, challenging traditional vision models and ...

The deep sea is cold, dark and under immense pressure. Yet life has found a way to prevail there, in the form of some of Earth’s strangest creatures. Since deep-sea critters have adapted to near ...

Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they ...

Some deep-sea fish may be able to see light in a different way from most other vertebrates, according to a new study. The ...

And as David Attenborough narrates, the flying fish are soon “literally caught between the devil and the deep blue sea.” ...

Scientists have identified a new type of visual cell in deep-sea fish that blends the shape and form of rods with the ...