Biologists have characterized new, unknown photoreceptors from the bioluminescent flashlight fish Anomalops katoptron. The photoreceptors known as opsins allow the fish to detect light with a specific ...

From the fireflies that light up our backyards to the graceful, glowing jellyfish we admire in aquarium tanks, bioluminescence -- an organism’s ability to create its own light -- has captivated and ...

Exposing fish to artificial light at night, not only made fish more active during the night, but also made them emerge quicker from hiding places during the day, which could increase their exposure to ...

Scientists at the NIH are mapping the activity of thousands of individual neurons inside the brain of a zebrafish as the animal hunts for food. In a small, windowless room that houses two powerful ...

If you want to thrive in the dark, gloomy ocean depths then it certainly doesn't hurt to have a few tricks up your sleeve. Scientists have discovered two new species of fish that can expand an ...

Stacey Leasca is an award-winning journalist with nearly two decades of newsroom experience. She is also the co-founder of Be a Travel Writer, an online course for the next generation of travel ...

Artificial light at night also makes guppies more courageous during the day, according to a new behavioral study. Artificial light at night also makes guppies more courageous during the day, according ...