In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like ...

Observing animal behavior in a laboratory offers a controlled environment, but these model organisms can behave differently ...

A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.

Deep below the surface of a river in northern Brazil, a “shy” creature tucked its “armored” body into a rocky crevice. Divers ...