When setting up the environment of the tank be sure to include a large variety of hiding places for the fish. Some species of fish tend to enjoy hiding in the leaves since it makes them feel safer. If the species chosen allows it, include live plants in the aquarium. Below is an example of a plant species to place in the aquarium as well as an example of how to decorate the aquarium.
Amazon Sword
An Amazon Sword plant is the perfect addition to any aquarium, especially since the plant itself is very robust and can withstand the wear and tear of fish playing within its leaves.
Aquarium Decoration with Amazon Sword
Decorating the aquarium in this fashion offers plenty of hiding places for the fish living in the environment. Placing this many plants in a tank will also help to keep the nitrite levels down.