Chasing the blue whale (IMAGE) University of Barcelona Caption The blue whale is the largest cetacean of all. Credit ÀLEX AGUILAR (UNIVERSITY OF BARCELONA -IRBio) Usage Restrictions Credit must be given to the creator. License CC BY 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.