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

When you think of giant sharks, the great white from the blockbuster Jaws is probably what springs to mind. But at a little over six metres long, this fictional man-eating monster is small fry when ...

Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon ... white but rather a more streamlined fish, such as a lemon shark. In this discovery, Shimada said ...