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 ...

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 of an animal ...

.Fish vision runs on rivalry: Zebrafish eyes pit colour channels against each other, not in harmony - challenging long-held ideas of how retinas process light. .Red and ultraviolet drive, green and ...

The deep sea is home to fish species that can detect various wavelengths of light in near-total darkness. Unlike other vertebrates, they have several genes for the light-sensitive photopigment ...