Emory University researchers have identified the first fish known to have switched from ultraviolet vision to violet vision, or the ability to see blue light. The discovery is also the first example ...

Walleye and the fish they eat struggle to see in water clouded by algae, and that could potentially jeopardize the species' future if harmful algal blooms persist, according to a new study. Walleye ...

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 ...

It might look like an alien from outer space, but this bizarre creature is a four-eyed fish that lives deep beneath the ocean on our planet. The fish's extra pair of eyes give it 360° vision, even ...