1. Reservoirs are filled with water during monsoons or floods.
2. Ruhi fish lays eggs in flowing and turbid water.
3. Pona fish need turbid water to survive.
4. The water temperature of the spawning environment will be 24-28 degrees Celsius.
5. Water will have a lot of oxygen.
6. Ruhi fish lays eggs on Amavasya or Purnima.
7. Male fish will secrete steroid hormones in the water to attract female fish for reproduction. Dr. Siddiq Publications
8. The water in the river should be in such a way that the sperm and egg mix.
9. There will be enough food in the environment to allow the chicks to undergo morphological and structural changes.