Mr. Sumanta Kumar Mallik is working as a scientist at ICAR-Directorate of Coldwater Fisheries Research (DCFR), Uttarakhand, India since 2008. He has 14 years of research experiences in the areas of aquaculture, fish health and disease management. Mr. Mallik has received VLIRUOS scholarship in the year 2016 to carry out the 3 months of research training on fish health management at Ghent University, Belgium. He has 40 research publications in peer-reviewed international and national journals and nearly 25 research and technical articles, leaflet, book chapters, manuals and bulletins to his credit. Mr. Mallik has also served as a reviewer for many national and international peer reviewed journals.Dr. Neetu Shahi is currently working as a senior scientist at ICAR - DCFR since 2009. She completed her PhD in fish biotechnology in the year 2008 from Central Institute of Fisheries Education, Mumbai, India. She has been awarded Hungarianfellowship in the year 2015 for 4 months of research stay at fish genetics laboratory of NARIC-HAKI. Dr. Shahi has pursued her post-doctoral study on tilapia lake virus at Kasetsart University of Veterinary Medicine, Bangkok, Thailand. She has 35 research publications in peer-reviewed international and national journals.Dr. Pramod Kumar Pandey has more than 34 years of experience in the field of fisheries and aquaculture in different capacities. He started his professional carrier at Marine Products Export Development Authority, Kochi in 1988. He joined Agricultural Research Service as a scientist in the year 1993 and worked at different positions in the Indian Council of Agricultural Research, India. He has also worked at ICAR- Central Institute of Fisheries Education, Mumbai. After working as Dean, College of Fisheries, Central Agricultural University (Imphal) for more than 5 years, he joined as Director, ICAR- DCFR, Bhimtal since May 2021. He hadreceived many national and international awards from different organizations. He has around 170 publications including research papers in national and international journals, and 10 books to his credit. His most significant achievement has been the voluntary breeding of magur (Magurmagur) in captivity.

• Chapter 1. Aquatic Animal Health in general.- Chapter 2. Pathogen and Disease Transmission in Aquatic Animals.- Chapter 3. Common Diseases in Aquatic Animals.- Chapter 4. Water-Borne Diseases.- Chapter 5. Application of Bioinformatics in Identification of Aquatic Microbes.- Chapter 6. Resistomes in the fish gut microbiota.- Chapter 7. Environmental Factors affecting Aquatic Animal Health.- Chapter 8. Aquatic Animal Health Management.- Chapter 9. Nutritional Requirements for Healthy Aquatic Animal.- Chapter 10. Fish cell lines and their roles in disease management.- Chapter 11. Mucosal Fish Vaccine.- Chapter 12. One Health Approach - Human, Environment and Animal Health.- Chapter 13. Advances in antimicrobial resistance and alternative therapy.- Chapter 14. Application of CRISPR –CAS 9 tool for therapeutic management of aquatic microbial infection.- Chapter 15. Enhancing Aquaculture Sustainability: Role of Alternative Antimicrobial Agents.- Chapter 16. Advances in Pharmacokinetics, Efficacy, Biosafety and Withdrawal of Approved Antibiotics in Aquaculture Practices.- Chapter 17. Microbial Enzymes in Aquatic Ecosystem.- Chapter 18.  Prevention and Control of Aquatic Animal Diseases.- Chapter 19. Biosecurity and Disease Management in Aquaculture Systems.- Chapter 20. Disease Management in Aquaculture.- Chapter 21. Aquatic Animal Welfare and Behavioural Health.- Chapter 22. Disease and Management Practices in Pangasius Aquaculture.- Chapter 23. Novel Antimicrobial Strategies to Combat Multidrug-Resistant Bacteria in the Aquatic Environment.

Mr. Sumanta Kumar Mallik is working as a scientist at ICAR-Directorate of Coldwater Fisheries Research (DCFR), Uttarakhand, India since 2008. He has 14 years of research experiences in the areas of aquaculture, fish health and disease management. Mr. Mallik has received VLIRUOS scholarship in the year 2016 to carry out the 3 months of research training on fish health management at Ghent University, Belgium. He has 40 research publications in peer-reviewed international and national journals and nearly 25 research and technical articles, leaflet, book chapters, manuals and bulletins to his credit. Mr. Mallik has also served as a reviewer for many national and international peer reviewed journals.Dr. Neetu Shahi is currently working as a senior scientist at ICAR - DCFR since 2009. She completed her PhD in fish biotechnology in the year 2008 from Central Institute of Fisheries Education, Mumbai, India. She has been awarded Hungarianfellowship in the year 2015 for 4 months of research stay at fish genetics laboratory of NARIC-HAKI. Dr. Shahi has pursued her post-doctoral study on tilapia lake virus at Kasetsart University of Veterinary Medicine, Bangkok, Thailand. She has 35 research publications in peer-reviewed international and national journals.Dr. Pramod Kumar Pandey has more than 34 years of experience in the field of fisheries and aquaculture in different capacities. He started his professional carrier at Marine Products Export Development Authority, Kochi in 1988. He joined Agricultural Research Service as a scientist in the year 1993 and worked at different positions in the Indian Council of Agricultural Research, India. He has also worked at ICAR- Central Institute of Fisheries Education, Mumbai. After working as Dean, College of Fisheries, Central Agricultural University (Imphal) for more than 5 years, he joined as Director, ICAR- DCFR, Bhimtal since May 2021. He hadreceived many national and international awards from different organizations. He has around 170 publications including research papers in national and international journals, and 10 books to his credit. His most significant achievement has been the voluntary breeding of magur (Magurmagur) in captivity.

• Chapter 1. Aquatic Animal Health in general.- Chapter 2. Pathogen and Disease Transmission in Aquatic Animals.- Chapter 3. Common Diseases in Aquatic Animals.- Chapter 4. Water-Borne Diseases.- Chapter 5. Application of Bioinformatics in Identification of Aquatic Microbes.- Chapter 6. Resistomes in the fish gut microbiota.- Chapter 7. Environmental Factors affecting Aquatic Animal Health.- Chapter 8. Aquatic Animal Health Management.- Chapter 9. Nutritional Requirements for Healthy Aquatic Animal.- Chapter 10. Fish cell lines and their roles in disease management.- Chapter 11. Mucosal Fish Vaccine.- Chapter 12. One Health Approach - Human, Environment and Animal Health.- Chapter 13. Advances in antimicrobial resistance and alternative therapy.- Chapter 14. Application of CRISPR –CAS 9 tool for therapeutic management of aquatic microbial infection.- Chapter 15. Enhancing Aquaculture Sustainability: Role of Alternative Antimicrobial Agents.- Chapter 16. Advances in Pharmacokinetics, Efficacy, Biosafety and Withdrawal of Approved Antibiotics in Aquaculture Practices.- Chapter 17. Microbial Enzymes in Aquatic Ecosystem.- Chapter 18.  Prevention and Control of Aquatic Animal Diseases.- Chapter 19. Biosecurity and Disease Management in Aquaculture Systems.- Chapter 20. Disease Management in Aquaculture.- Chapter 21. Aquatic Animal Welfare and Behavioural Health.- Chapter 22. Disease and Management Practices in Pangasius Aquaculture.- Chapter 23. Novel Antimicrobial Strategies to Combat Multidrug-Resistant Bacteria in the Aquatic Environment.

Mr. Sumanta Kumar Mallik is working as a scientist at ICAR-Directorate of Coldwater Fisheries Research (DCFR), Uttarakhand, India since 2008. He has 14 years of research experiences in the areas of aquaculture, fish health and disease management. Mr. Mallik has received VLIRUOS scholarship in the year 2016 to carry out the 3 months of research training on fish health management at Ghent University, Belgium. He has 40 research publications in peer-reviewed international and national journals and nearly 25 research and technical articles, leaflet, book chapters, manuals and bulletins to his credit. Mr. Mallik has also served as a reviewer for many national and international peer reviewed journals.Dr. Neetu Shahi is currently working as a senior scientist at ICAR - DCFR since 2009. She completed her PhD in fish biotechnology in the year 2008 from Central Institute of Fisheries Education, Mumbai, India. She has been awarded Hungarianfellowship in the year 2015 for 4 months of research stay at fish genetics laboratory of NARIC-HAKI. Dr. Shahi has pursued her post-doctoral study on tilapia lake virus at Kasetsart University of Veterinary Medicine, Bangkok, Thailand. She has 35 research publications in peer-reviewed international and national journals.Dr. Pramod Kumar Pandey has more than 34 years of experience in the field of fisheries and aquaculture in different capacities. He started his professional carrier at Marine Products Export Development Authority, Kochi in 1988. He joined Agricultural Research Service as a scientist in the year 1993 and worked at different positions in the Indian Council of Agricultural Research, India. He has also worked at ICAR- Central Institute of Fisheries Education, Mumbai. After working as Dean, College of Fisheries, Central Agricultural University (Imphal) for more than 5 years, he joined as Director, ICAR- DCFR, Bhimtal since May 2021. He hadreceived many national and international awards from different organizations. He has around 170 publications including research papers in national and international journals, and 10 books to his credit. His most significant achievement has been the voluntary breeding of magur (Magurmagur) in captivity.

• Chapter 1. Aquatic Animal Health in general.- Chapter 2. Pathogen and Disease Transmission in Aquatic Animals.- Chapter 3. Common Diseases in Aquatic Animals.- Chapter 4. Water-Borne Diseases.- Chapter 5. Application of Bioinformatics in Identification of Aquatic Microbes.- Chapter 6. Resistomes in the fish gut microbiota.- Chapter 7. Environmental Factors affecting Aquatic Animal Health.- Chapter 8. Aquatic Animal Health Management.- Chapter 9. Nutritional Requirements for Healthy Aquatic Animal.- Chapter 10. Fish cell lines and their roles in disease management.- Chapter 11. Mucosal Fish Vaccine.- Chapter 12. One Health Approach - Human, Environment and Animal Health.- Chapter 13. Advances in antimicrobial resistance and alternative therapy.- Chapter 14. Application of CRISPR –CAS 9 tool for therapeutic management of aquatic microbial infection.- Chapter 15. Enhancing Aquaculture Sustainability: Role of Alternative Antimicrobial Agents.- Chapter 16. Advances in Pharmacokinetics, Efficacy, Biosafety and Withdrawal of Approved Antibiotics in Aquaculture Practices.- Chapter 17. Microbial Enzymes in Aquatic Ecosystem.- Chapter 18.  Prevention and Control of Aquatic Animal Diseases.- Chapter 19. Biosecurity and Disease Management in Aquaculture Systems.- Chapter 20. Disease Management in Aquaculture.- Chapter 21. Aquatic Animal Welfare and Behavioural Health.- Chapter 22. Disease and Management Practices in Pangasius Aquaculture.- Chapter 23. Novel Antimicrobial Strategies to Combat Multidrug-Resistant Bacteria in the Aquatic Environment.