Most carnivores have teeth to grasp and eat prey, so marine animals with teeth are not uncommon. Sharks, dolphins, eels, whales, many fish species, and marine mammals like seals and sea lions have ...

The octopus is one of the coolest animals in the sea. For starters, they are invertebrates. That means they don’t have backbones like humans, lions, turtles and birds. That may sound unusual, but ...

Researchers studied octopuses in the wild to learn whether they favor one of their eight arms over the others for certain jobs, but found the creatures give new meaning to ambidextrous. The octopus is ...