Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

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 ...

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

Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen participating in mating activities in an Australia aquarium, the ocean predator welcomed a “surprise” pup ...