Can a starfish consume the flesh of a living creature?

More primitive starfish feed by pushing food particles into their mouths. More evolved starfish can evert their stomachs, engulfing their prey and digesting them outside of the body. It enables them to eat prey larger than their mouths. Most eat bivalves, but they can eat injured fish and other animals. read more

Amazingly, sea stars can regenerate lost arms, which is useful if the sea star is injured by a predator. It can lose an arm, escape, and grow a new arm later. Sea stars house most of their vital organs in their arms. This means that some species can even regenerate an entirely new sea star from just one arm and a portion of the star's central disc. read more