Jacks (IMAGE) University of California - San Diego Caption Jacks are among the fish species flourishing in Cabo Pulmo. Credit Octavio Aburto-Oropeza/iLCP Usage Restrictions None License Licensed 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.