Cephalopods such as octopus and squid evolutionarily diverged from mollusks like slugs and snails. These animals have elaborate compact nervous systems located within specialized arm appendages, which ...

There are several types of camouflage in the animal kingdom. Most people think of insects that can blend into a pile of leaves or an octopus that can match its surroundings. Transparency is a ...

Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left alone.

In a corner tank in the Sitka Sound Science Center, there’s a soft creature about the size and shape of a plum. She’s a deep, ruddy purple, and she blasts little puffs of sand when someone gets too ...

You probably know calamari as those delicious-looking golden-fried rings that tempt you every time you look at an Italian restaurant’s menu. But it can be a little intimidating to order for the first ...