Keeping fish can be a great alternative to furry pets. Exotic fish add beauty to any home. The Betta fish, also called ...

The GloNad fish glow red or green to indicate the presence of chemicals that affect the male or female reproductive organs. (Sasha Bakhter/College of Biological Sciences) Birth defects related to ...

Many people just found out that flashlight fish exist, thanks to the viral tweet below. The glowing fish have lights under their eyes that blink on and off. But it turns out that there’s even ...

And they did. Glowing dolphins streaking across the ocean for his second charter of Sunday night, their sleek bodies lighting up as they darted past the boat searching for fish, the smaller prey ...

So far, the variegated snailfish is the only known polar fish to have this glow. Gruber and Sparks collected a juvenile snailfish only about 3/4 inch (1.9 centimeters) long – about the size of a ...