Scinax alcatraz (IMAGE) PLOS Caption This species, Scinax alcatraz, occurs only in Ilha de Alcatrazes -- an island off the coast of the state of São Paulo, Brazil. It is also threatened of extinction. Credit Célio F. B. Haddad 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.