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 ...

Stickleback fish are able to adapt their vision to new environments in less than 10,000 years, a blink of the eye in evolutionary terms, according to new research. Stickleback fish are able to adapt ...

Fish are undoubtedly a powerful staple of the healthy Mediterranean diet but this food can also contain traces of a harmful neurotoxin called mercury. Fortunately, not all fish are high in this tricky ...

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 ...

In yet another study touting the benefits of omega-3s in healthy aging, a new study out of Canada has found that choosing fish for dinner could help stave off age-related vision loss. In normal aging, ...

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 ...

More than one billion people around the world rely on fish as a primary food source. It’s a key source of micronutrients, such as omega-3 fatty acids, which are critical for well-being. Some case ...