A kitefin shark is the largest known bioluminescent vertebrate, according to a new study. The shark lives in the dimly lit "twilight zone" of the ocean, and may glow to camouflage itself as it hunts.

Researchers Discover a New Species of Shark in the Gulf of Mexico — and it Glows in the Dark! The shark is only five and a half inches long and has two "pockets" that secrete a glowing fluid.

Scientists from various universities and research groups identified the 5½-inch shark as the American Pocket Shark, or Mollisquama mississippiensis.

We now know what causes these two shark species to glow green A previously unknown family of metabolites may also have antimicrobial properties.

The first detailed study of the rare splendid lantern shark reveals that not only does it glow in the dark, but the light effects create a "cloak of invisibility" that helps shield it from predators.

Sharks are known to stalk and sniff out prey before they attack. But all this newly discovered shark species has to do is glow in the dark, and the prey comes to them.

A newly-identified species of shark found in the Gulf of Mexico has a light-making system all its own, but it’s a whole lot less intimidating than you’d imagine a glow-in-the-dark shark would be.

A new species of tiny shark which glows in the dark and squirts luminous liquid has been discovered in the Gulf of Mexico.