Vaquita (IMAGE) National Marine Mammal Foundation Caption A vaquita porpoise swims in the Gulf of California. Less than 60 are thought to exist. Credit Thomas A. Jefferson/VIVA Vaquita 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.