One glow-in-the-dark animal is the swell shark. Swell sharks are shy shark species that aren't dangerous. Swell sharks are bioflourescent, which is why they glow. But that's not the only trick ...

A Louisiana aquarium welcomed a new baby shark to its facilities earlier this month, but staff are unsure of exactly where it came from. On Jan. 3, a swell shark egg hatched at Shreveport Aquarium ...

Goldfish possess genetic traits that allow them to swell up to four pounds—the size of a Chihuahua. Experts say that's why ...

Pacific sleeper shark in research ‘sling’—allows scientists easy access to tag and study the animal at the surface of the ...