Diverse in-Culture and Gut Bacteria is a prawn key move…just like in humans…

https://www.sciencealert.com/gut-bacteria-could-be-evolving-inside-us-to-escape-the-intestine

Understanding shrimp hemocytes – temperature in the prawn…32 for disease control…vannamei technology out of South America – 5 years ago

https://www.globalseafood.org/advocate/understanding-shrimp-hemocytes/#:~:text=The%20blood%20of%20shrimp%20%E2%80%93%20or,macromolecules%20of%20the%20circulatory%20system).