Effect of 'Love Hormone' on Starfish (VIDEO) Queen Mary University of London This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Injection of an oxytocin-type hormone (asterotocin) in a starfish triggers the stomach to be everted out of its mouth, whereas injection of water (H20) has no effect. Credit Maurice Elphick Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.