Lumpfish are small, rounded fish with a thick, bumpy skin that resembles a lumpy rock. They have a sucker on their belly, ...

Fish rank as the most diverse group of vertebrates in the world. Scientists recognize over 37,000 distinct species, with many more waiting to be discovered. Most fish fall into the ray-finned group of ...

Some species form partnerships that help them find food, avoid danger, or raise young. But in the wild, survival isn’t always a one-animal job. 5 Incredible Examples of Animals Helping Each ...

Octopuses in the Red Sea often hunt together with other predatory fish—and sometimes hit them. ... Other examples exist of animals enforcing behavior in cooperative situations.

Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to cold and other extremes. CNN values your feedback 1.