Fish seed are the main production input for fish cultivation business. This research aimed to find out the trends in the development of fish seed demand of Tilapia (Oreochromis niloticus) and to find out the factors affecting the demand of fish seed themselves (Oreochromis niloticus). The research was conducted in February until March 2019 at UPT Balai Benih Ikan (BBI) in Koto Baru Sub-District…