Recent Advances in the Hydrodynamic Characteristics of Industrial Recirculating Aquaculture Systems and Their Interactions with Fish

Yanfei Wu, Jianeng Chen, Chengxia Jia, Fukun Gui, Jianuo Xu, Xiaolong Yin, Dejun Feng () and Qingjing Zhang ()
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Yanfei Wu: Beijing Key Laboratory of Fishery Biotechnology, Institute of Aquatic Sciences, Beijing Academy of Agriculture and Forestry, Beijing 100068, China
Jianeng Chen: Beijing Key Laboratory of Fishery Biotechnology, Institute of Aquatic Sciences, Beijing Academy of Agriculture and Forestry, Beijing 100068, China
Chengxia Jia: Beijing Key Laboratory of Fishery Biotechnology, Institute of Aquatic Sciences, Beijing Academy of Agriculture and Forestry, Beijing 100068, China
Fukun Gui: National Engineering and Technology Research Centre for Marine Facility Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China
Jianuo Xu: Beijing Key Laboratory of Fishery Biotechnology, Institute of Aquatic Sciences, Beijing Academy of Agriculture and Forestry, Beijing 100068, China
Xiaolong Yin: Zhoushan Fisheries Research Institute, Zhoushan 316000, China
Dejun Feng: National Engineering and Technology Research Centre for Marine Facility Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China
Qingjing Zhang: Beijing Key Laboratory of Fishery Biotechnology, Institute of Aquatic Sciences, Beijing Academy of Agriculture and Forestry, Beijing 100068, China

Sustainability, 2025, vol. 17, issue 17, 1-18

Abstract: Industrial recirculating aquaculture systems (RAS) constitute an energy-saving and environmentally friendly approach to modern aquaculture production. The hydrodynamic characteristics within these systems, coupled with the ecological environment of the fish, are essential for the efficient operation of the system and for promoting optimal fish growth and welfare. These systems provide several advantages, such as high intensification, efficient water resource utilization, enhanced environmental control, and minimal environmental pollution. Consequently, it has emerged as prominent avenue for advancing aquaculture development in China. This paper begins with an examination of the fundamental concepts and primary tank structures underpinning industrial RAS. It then proceeds to elucidate the hydrodynamic characteristics within RAS and their interrelationship with fish growth and welfare. Furthermore, it offers a thorough review of tank hydrodynamic characteristics and fish interactions from various perspectives, including operational parameters, hydrodynamic drive equipment, fish behavior, and the aquaculture environment. Finally, the limitations of current studies are assessed, and potential future research directions are proposed.

Keywords: recirculating aquaculture systems; hydrodynamic characteristics; tank structures; fish ecology; aquaculture tanks (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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