Elephant Shark (IMAGE) University of California - San Diego Caption Elephant sharks possess unusual looks and evolutionary history, the latter of which makes them an interesting animal model for comparing divergent development paths with humans. Credit Michael Baker, UC San Diego Health Sciences Usage Restrictions Use photo credit 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.