Dr. Ziyan Liu holds a Ph.D. from Sun Yat-sen University. His research focuses on aquatic animal nutrition, immunity, environmental stress resistance, and functional bioactive substance development, aiming to improve fish health and support sustainable aquaculture; what differentiates his work is the integration of molecular biology, microbial biotechnology, neuroendocrine regulation, and practical aquaculture applications. Dr. Liu has published more than 20 SCI-indexed research articles in leading journals such as Aquaculture, Fish & Shellfish Immunology, Aquaculture Nutrition, Frontiers in Microbiology, and Microbial Cell Factories, including 15 papers as first author or co-first author and one ESI Highly Cited Paper; he has also participated in multiple national and provincial research projects and received academic scholarships and awards during his graduate training. In addition to his research publications, he has contributed to the academic community through manuscript review and scholarly service, and he is committed to further strengthening his involvement in journal peer review, editorial activities, and professional academic networks. His long-term professional goal is to develop innovative nutritional, immunological, and microbial strategies for aquatic animal health, with particul