Green Macroalga (IMAGE) Florida Atlantic University Caption Rachel Brewton, Ph.D., first author and a research scientist at FAU Harbor Branch, holding the green macroalga Caulerpa prolifera. Credit Kevin Tyre Usage Restrictions Credit: Kevin Tyre License Original 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.