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 octopuses eat the tissues in the jellyfish's body, or bell, and then pull the prey's stinging tentacles along behind them ...

Most complex organisms have a permanent hole for excreting waste. (Though there are exceptions, like the warty comb jelly, which forms an anus only when nature calls.) In bipeds and quadrupeds, the ...

This remarkable sea creature resembles the softest, rainbow-colored blanket gently floating through the deep ocean. A video from USA Today shows some rare footage obtained by a diver of two of these ...