Common Mock Viper (IMAGE) University of Arizona Caption This is a Common Mock Viper, native to Asia. Snakes are among the more diverse groups of vertebrates, with nearly 3,000 species found worldwide. Credit John Wiens Usage Restrictions This visual may only be used for the purpose of posting or reporting of this news release. Please provide image credit as indicated. 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.