Spiny Frog (image) University of California - Berkeley Caption Spiny frogs from the tribe Paini are a curious group characterized by spines and powerful forelimbs in males. The species Quasipaa boulengeri is from the mountains of Sichuan, China. Credit Credit: Yu Zeng/UC Berkeley Usage Restrictions None 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.