Please install live plants and some hiding places in fountain like small pots 🏺, so fishes won't get into stress....cos of rain and sun...please don it....love🇨🇦
Ducks grow slowly and u will not see their growth from their wings or tails. They first increase in size then they grow from wing and tail not much growth in wings / tails but there will be growth in body shape and colour
Your important remaining things which was compulsory for you Big aquatic real plants to maintain oxygen level of fish pond. Oxygen pump. Fishes clean pump. And some beautiful more fishes. And goat for goat Farm.
In choti fishes ke liye bht variety k foods aate h and if you use different types of food like flakes, blood worms or bhi hote h , then fishes happy and healthy rahegi but ye food bhi achha h.