The Ibo River Ayu Seedling Center Research Building, completed in 1996, stands as a notable example of contemporary Japanese institutional architecture. Designed by the Endo Shuhei Architectural Institute and located in Shingu Town, Hyogo Prefecture, this research facility was constructed to support scientific investigations into ayu fish cultivation and breeding. The building exemplifies functional design principles tailored to laboratory and testing operations, reflecting 1990s architectural approaches to specialized research environments. Its design successfully balances practical requirements with architectural coherence, making it of interest to those studying modern Japanese institutional buildings and their evolving design methodologies.