Micro Jellyfish vs. Macro Jellyfish (IMAGE) University of Kansas Caption Left, myxozoan spores from Kudoa iwatai. Each spore is approximately 10 micrometers in width. Right, the jellyfish Aurelia aurita (moon jelly). The bell is approximately 25 centimeters wide or 2,500 times larger than a myxozoan spore. Credit Left photo: A. Diamant. Right photo: P, Cartwright 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.