Core Viewpoint - The article discusses the launch of "Underwater Wisdom," a sonar technology initiative aimed at transforming smart fisheries through standardized applications in monitoring aquatic genetic resources, regulating breeding environments, and assessing fishery resources [1][2]. Group 1: Event Overview - The seminar on sonar applications in marine ranching was held in Zhanjiang, Guangdong, organized by Shanghai Hanjie Technology Development Co., Ltd. and co-hosted with local institutions [3][4][5]. - Experts and representatives from the marine fishery and underwater acoustics fields gathered to explore innovative applications of sonar technology in marine ranching [6][7]. Group 2: Technological Innovations - The seminar highlighted the importance of sonar technology as a key support for underwater monitoring, resource assessment, and intelligent management in marine ranching [30][31]. - The "Zhanjiang Bay No. 1" project was introduced, showcasing how Hanjie Technology provides leading acoustic monitoring support, enhancing the platform's ability to perceive marine environments accurately [18][20]. Group 3: Industry Collaboration - The collaboration between Hanjie Technology and Zhanjiang Bay Laboratory aims to bridge the gap between research and market applications, facilitating the transformation of advanced technologies into practical solutions [10][22]. - The event emphasized the need for customized solutions to address specific pain points in different marine ranching scenarios, ensuring effective monitoring and data accuracy [46][58]. Group 4: Future Directions - The article notes the ongoing transition in the marine aquaculture industry towards smart and ecological practices, with Hanjie Technology committed to advancing sonar applications in key areas such as ecological breeding regulation and industry monitoring [61][62]. - Experts called for the establishment of a standardized system for sonar technology and the promotion of collaborative innovation in marine technology to support high-quality development in the marine economy [57].