I see many aquarium owners to add the fish directly into the aquarium. It is a common practice to add the fish in the aquarium. You must have to see the aquarium cycle while adding the process. You must have to get the different types of fish by using the fish like zebra or cherry.
It is essential to add the fish in the aquarium. You must have to balance the nitrogen cycle once it get stabilize. There are different types of fish add in the aquarium to balance out the aquarium.