The fish are biomass for our systems. To figure out the amount of food to give to the fish we need a certain number of fish. We weigh them and then calculated how much weight of all the fish are in the tank. In the end, we feed them a % of their body weight throughout the day. I my tank, we feed them 35 grams 3 times a day.
We have to make sure that we give the fish the right amount of food. If we have a 1 pound fish, we would give them 1.5 % of a pound for the food. A commercial grower wants to give their fish the highest protein so their fish grow faster. You need to know your fish feeding habits, so you can feed your fish when they need it. The younger fish need more protein so they can grow faster.
Tilapia have some interesting behaviors, it is very fun to watch them. If they are hungry they will jump out of the water when you walk by. If the big ones are hungry and you put your finger in the water they will try to eat your finger!