The disease outbreak of Chinese perch poses a severe threat to aquaculture industry. To explore the relationship between microbial communities in farming water and those in the intestine. and to further reveal the relationship between fish disease and environmental microbes (internal and external environments). 16S rRNA were sequenced. https://www.spidertattooz.com/China-Glaze-Fairytale-Bliss-0-5-oz-85183-p12010/