The giant oarfish is the longest bony fish in the world and can grow up to 36 feet long. This elusive species lives in the ocean’s “twilight zone,” 650 to 3,300 feet below the surface. Oarfish swim in ...

Sharks rule the water in terms of sheer weight, but there are plenty of other big fish in (and excluded from) the record books ...

Most people think aquarium fish live for only a few years. You bring them home, enjoy their beauty, and quietly expect them ...

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 ...