Sea slug (Goniobranchus fabulus) (IMAGE) California Academy of Sciences Caption At one and a half centimeters in length, Goniobranchus fabulus is the largest species in this year’s set of sea slugs. Credit (© California Academy of Sciences) Usage Restrictions Editorial usage permitted as long as appropriately credited 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.