The Mekong River hides some of the largest freshwater fish on Earth, and in 2005, village fishermen in northern Thailand ...

For centuries, sailors told terrifying stories of glowing sea serpents rising from the depths — enormous silvery creatures crowned with red flames. Today, marine scientists suggest those legends may ...

Fish come in every shape and size, but the longest ones are downright startling. While most exist deep in the ocean, these giants could stretch across a basketball court—or three. All of them exceed ...

The United States is home to a wide range of freshwater and saltwater fish, but some species stand out for their massive size ...

As long as that "capital"—the big, old fish—is left in the water, we can keep living off the interest. More young fish coming through, more fish to catch and eat, and a more stable marine ecosystem.

SYDNEY -- One of the most impressive experiences you can have with wildlife kicks off with a shouted command. "Come on, come on, come on -- into the water," guide Georgia Clements yelled to her guests ...