Vaquita In Gulf Of California, Mexico (IMAGE) NOAA Fisheries West Coast Region Caption Vaquita are among the most endangered marine mammals on earth, with fewer than 100 remaining. Credit Paula Olson Usage Restrictions CREDIT: Paula Olson 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.