A joint research team from China and abroad has for the first time found that mammaliaforms from the Jurassic and Cretaceous ...

Hollywood actor comes face-to-face with a juvenile great white shark while stand-up paddleboarding in Southern California.

The hourglass dolphin is named after the striking white pattern along its sides, which resembles an hourglass. This species uses countershading — a form of camouflage — to evade predators. Its lighter ...

This coloring is known as countershading, and it makes Pacific herring harder to see from above or below. Countershading helps the herring camouflage itself from potential predators, which include ...

Like other species in the Lamnidae family, the porbeagle features a sleek, torpedo-like body, conical snout, and countershading. Note that its first dorsal fin has a large white patch on the trailing ...