They are a type of invertebrate called echinoderms and are also known as sea stars. These animals are in the Asteroidea class, which is the largest class in the Echinodermata family. They are ...

These animals are in the Asteroidea class, which is the largest class in the Echinodermata family. They are therefore related to sea cucumbers , sea urchins , and sand dollars.

Starfish are fascinating and contradictory creatures – they may look a bit like stars but they are certainly not fish. As you can see in the above clip, they can even walk with a mesmerizing and other ...