![Live oysters Credit: McCoy](https://oceanacidification.noaa.gov/wp-content/uploads/2023/02/McCoy-oysters-2-300x200.jpg)
Ocean Acidification means major changes for California mussels
For thousands of years, California mussel shells have shared a relatively uniform mineralogical makeup — long, cylindrical calcite crystals ordered in neat vertical rows with crisp, geometric regularity. But in a study published this week in the journal [EasyDNNnewsLink|82], McCoy and her team suggest that escalating rates of ocean acidification are shaking up