Contrasting Coral Families (IMAGE) University of Texas at Austin Caption Sibling larvae of the coral Acropora millepora before metamorphosis (top) and young polyps after metamorphosis (bottom) represent two of the most contrasting family groups obtained by crossing various color morphs of adult corals (greener on the left, redder on the right). Credit Mikhail Matz, The University of Texas at Austin 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.