Hand breeding fish requires patience and careful handling, as demonstrated in this step-by-step method for collecting and fertilizing eggs from selected female and male fish. In my experience, selecting healthy broodstock from your fish population is the first key step. Here, four female fish and two males from a new river strain were chosen, ensuring genetic diversity and vitality. During egg collection, it’s vital to be gentle to avoid damaging the eggs. Using a dropper to repeatedly blow water over the eggs helps prevent them from sticking together, which can cause fungal infections or uneven development. This method of water agitation is simple but highly effective in maintaining egg health. Fertilization is confirmed by the presence of a milky white liquid that appears when males are gently pressed, signaling sperm release. Timing is critical; after fertilization, transferring the eggs to fresh water with methylene blue diluted at a ratio of 1ml to 500ml helps prevent fungal growth during incubation. Consistency in water changes is important, and applying 5 to 8 drops of methylene blue solution during water replacement supports egg survival. While this is a personal method, many fish breeders find similar approaches successful. Overall, this hand breeding technique allows precise control over reproduction, ideal for hobbyists aiming to propagate specific predator or rare fish species. Patience, cleanliness, and careful monitoring throughout the process enhance breeding success and contribute to sustainable fish culture practices.