Transitional Sheephead (image) Ecological Society of America Share Print E-Mail Caption California sheephead can transition from female to male when a dominant male dies, and take over the mating territory. Credit Photo courtesy of Scott Hamilton. Usage Restrictions Photo courtesy of Scott Hamilton. Share Print E-Mail 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.