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

Owning a shark as a pet is legal in many parts of the United States, but the regulations vary by state and species. While small shark species such as the bamboo shark or the epaulet shark are ...

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a new study. The research, published Sunday in the journal ...

The species are facing threats such as habitat ... by agricultural expansion logging and the illegal pet trade. The gigantic whale shark, measuring up to 60ft long, also faces numerous threats ...