Two-Day-Old Mussels Larvae Viewed by a Polarizing Microscope. (image) Helmholtz Centre for Ocean Research Kiel (GEOMAR) Share Print E-Mail Caption Two-day-old mussels larvae viewed by a polarizing microscope. Credit Photo: F. Melzner, GEOMAR. Usage Restrictions in the context of this press release only. 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.