Coccolithophore (IMAGE) Universitat Autonoma de Barcelona Caption A) A healthy coccolithophore. B) A collapsed coccolithophore. Ocean acidification greatly increases the chance of the coccolithophore sphere to collapse. Credit Johnson, R., et al. Usage Restrictions No restrictions. License Public Domain 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.