These five micro fish are great choices for a nano aquarium, adding both beauty and activity to the tank while being easy to care for and low maintenance. When selecting fish for a nano aquarium, it's important to consider their size, behavior, and water requirements to ensure a healthy and thriving ecosystem.

Here are five great micro fish that are well suited for nano aquariums:

1. Sparkling Gourami : Sparkling Gourami is a species of fish that is well-suited for a nano aquarium. They are small in size, with a vibrant and attractive appearance, featuring iridescent blue and green scales and a red, white, or orange spot on the dorsal fin. Learn more here

2. Ember Tetra: Ember tetras are small, reddish-orange fish that are active and hardy. They are ideal for nano aquariums, as they are able to thrive in a small environment and will add visual interest to your tank. Learn more here

3. Rasbora: Rasbora are small, peaceful fish that come in a variety of colors and patterns. They are ideal for nano aquariums and do well in small shoals, adding both color and activity to the tank. Learn more here

4. Betta Fish: Betta fish, also known as Siamese fighting fish, are well-suited for nano aquariums. They are hardy and easy to care for, and come in a variety of bright colors and patterns. Learn more here

5. Pygmy Corydoras: Pygmy Corydoras are small, peaceful fish that are ideal for nano aquariums. They are bottom-dwellers, and will add movement and activity to the bottom of your tank. Learn more here

These micro fish are great options for those looking to add some life and color to their nano aquarium. Be sure to research the specific care requirements for each species, as well as the compatibility with any other fish in the tank, to ensure a healthy and thriving aquarium environment.