PART I.Microbiome of Finfish -- Chapter 1_ Introduction to fish microbiome and its importance -- Chapter 2_Isolation and Identification of Fish Gut Microbiome -- Chapter 3_ Gut Microbiome and Fish Health: An overview in Finfish Aquaculture Prospective -- Chapter 4_Fish microbiome and metagenomics -- Chapter 5_Fish and Shellfish microbiome and bioinformatics Skills -- Chapter 6_Microbiome applications for the growth and development of the aquaculture/biopharma industry.-PART II.Microbiome of Shellfish -- Chapter 7_Shellfish Microbiome -- Chapter 8_Shellfish microbiome and its significant role in immune response and health management -- Chapter 9_Microbiome and shrimp health -- Chapter 10_Microbial Metagenomics and the Shellfish Microbiome -- Chapter 11_Shellfish microbiome and Probiotics: A Decade in Review -- Chapter 12_Impact of climate change on the gut microbiome of fish and shellfish. .