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

For some, the idea of owning a shark in a home aquarium sounds thrilling. However, keeping a pet shark is far from a simple endeavor. From legality to maintenance challenges, not to mention the ...

In the past, people thought the fish were basking in the sun as they cruised near the surface—hence their name. Basking sharks are highly migratory. In spring and summer, they travel to coastal ...