A human appetite hormone, bombesin, also controls feeding in starfish, showing it evolved over 500 million years ago. A team ...

Starfish have a unique way of eating: they evert their stomach out of their mouth to digest prey like mussels and oysters. "When I tested ArBN, I saw that it caused contraction of the starfish ...

The starfish use their sticky tube feet to climb on top of their prey and then by pushing their stomach out through their mouth devour it. Limpets have devised a method to protect themselves from ...