Invasive sea lampreys prey on most species of large Great Lakes fish such as lake trout, brown trout, lake sturgeon, lake whitefish, ciscoes, burbot, walleye and catfish. These species are crucial to ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

Multiple shark species are home to the Caribbean Sea, helping to create healthy marine ecosystems. The great hammerhead shark possesses a unique profile that creates specific tracking challenges for ...

Something very freaky is lurking in the deep waters off the California coast. Researchers aboard a deep sea vessel spotted a barreleye fish and captured the rare sighting on video. The bizarre-looking ...

When you think of great swimmers, animals like dolphins, fish, or penguins probably come to mind. But the animal kingdom is full of surprises, and many creatures you’d never expect to navigate well ...