Fish use nearly twice as much energy to hover as to rest, revealing that staying still in water is anything but effortless.

Hunting white seabass off the coast of Catalina is the pinnacle of Southern California spearfishing. Here's what it takes.

The first two answers were straightforward. Male croakers are one of many marine fishes that make underwater sounds. Their ...

Learn how to use planer boards to troll multiple lines, cover more water, and catch more fish. Setup tips, gear advice, and ...

Underwater sounds can travel hundreds of miles, depending on the source, which may be important for whales and dolphins. But among smaller fish, such great distances are not as important, and ...

Underwater sounds can travel hundreds of miles, depending on the source, which may be important for whales and dolphins. But among smaller fish, such great distances are not as important, and ...

As oil companies push for drilling on the Amazon coast, an underwater war silences the ocean’s most vocal creatures.

Virgil Holt Jr. reaches into the rushing water of Rapid River with a gaff pole and gently taps it along the rocky bottom as ...

Lake ecosystems rely on thermal structure. When extreme heat reaches deeper into the water column, it can trigger cascading ...