In the murky depths of the ocean, one predator has a trait that exacerbates the dread it inspires as it slides through the ocean waves.

“This big, prehistoric cartilaginous fish that you pull ... Winter entails more diet analysis and fish aging, she explained. “That science is pretty cool,” Dagen said.

Aside from this, fish vary greatly in size, shape, habitat, and diet. Taxonomists typically group fish into three superclasses: cartilaginous fishes (Chondrichthyes), bony fishes (Osteichthyes), and ...

Cartilaginous fish have skeletons made of cartilage instead of bone ... The biggest specimen measured 61.7 feet in length, although the average is 26 to 39 feet. Fish eat a varied diet that includes ...

Great white sharks have a diverse diet that includes fish ... Great white sharks are believed to live up to 70 years, making them one of the longest-lived cartilaginous fish. However, estimating their ...

Eagles are apex predators, and their diet typically includes fish ... Electric rays are unique cartilaginous fish capable of delivering electric shocks, a defence mechanism and a hunting tool. They ...

The Mediterranean diet was named the healthiest diet for the eighth year in a row. Plus, a new study suggests this ...

The best choice depends on your lifestyle, diet, and health goals: If you eat fish at least twice a week, you likely don’t need supplements. Whole fish provides a wider range of nutrients ...

Swim along the edge of a coral reef and you'll often see schools of sleek, torpedo-shaped fishes gliding through the currents ...