Zebrafish (IMAGE) University of the Basque Country Caption The UPV/EHU's Cell Biology in Environmental Toxicology research group has analysed adult zebrafish to find out the effects that in the long term can be caused by these silver particles present in fresh water Credit Egoi Markaida. UPV/EHU 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.