The vast majority of vertebrates have a single rod opsin, and they’re virtually color-blind in low-light conditions. Marine biologists figured deep-sea fish were no exception, but the new ...

Other fishes may have this ability to detect color in the deep sea, too. “In vertebrate fishes ... [Like the Science Times page on Facebook. | Sign up for the Science Times newsletter.] ...

Known as "red devils," the squid can rapidly change the color of their skin ... which is used by many deep sea animals for luring prey or attracting a mate. "We generally think of deep-sea ...