Freshwater Macroinvertebrates (image) University of Barcelona Share Print E-Mail Caption Researchers gathered and analyzed the information of the ecology of about 6,600 species. Credit Núria Bonada (IRBio-UB) Usage Restrictions The image may only be used with appropriate caption or credit. Share Print E-Mail 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.