Vol. 7, Issue 10, Part B (2025)

The decline in capture fisheries raises the importance of culture fisheries sector. Aquaculture contributes greatly in food sector by compensating the rising demand. Particularly, Re-circulatory Aquaculture System (RAS) attracts significant attention due to its various benefits. RAS offer ways to enhance waste management, recycle nutrients, and use less water. Fish farming can be made environmentally sustainable through RAS. Thus, the purpose of this chapter is to provide an overview about RAS technology, system design, types, recent RAS developments along with scopes and challenges. The primary problems with RAS needs to be examined in order to provide farmers with improved solutions in the future. Potential areas for improvement and upcoming obstacles for the sector should also be noted for future research works.