Then there are other animals that glow in the dark to scare away predators, attract prey, or communicate with other members of their species. One glow-in-the-dark animal is the swell shark.

This shark gets its name from an unusual behavior it displays when threatened by a predator. When threatened, the swell shark swallows vast amounts of seawater, which causes its belly to swell and ...

(CNN) — The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite the fact that no male sharks appear to have been involved.

A swell shark hatched at Shreveport Aquarium in Louisiana after an egg was found in an all-female tank. Screengrab from a video by the Shreveport Aquarium A small shark swimming around a Louisiana ...

A Louisiana aquarium has been left stunned by a 'virgin birth' in its shark exhibit. Baby swell shark Yokowas born in an all-female tank at Shreveport Aquarium. Experts believe Yoko's birth is due to ...