Young Masu Salmon, the Host of Margaritifera laevis (image) Hokkaido University Share Print E-Mail Caption The circled inset shows the gill of a Masu salmon infected with parasites. The white dots are larvae of the freshwater mussel. Credit Hokkaido University Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.