Nano tanks can make for absolutely beautiful aquariums. Most new aquarists choose a nano tank believing that because of their size, they are somehow easier to maintain.Unfortunately, these aquariums are often marketed as being the easy choice, for those new to the hobby. This is simply not realistic, and those who do come to realize this can quickly become overwhelmed.
With that said, they are less daunting in terms of appearance, which can be appealing. In the right hands, they make for truly lovely tanks. The key factor, of course, is information. With the right information and care keeping any nano tank environment has the opportunity to excel!
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What fish can you keep in a nano tank?
To help you choose here is a recap of freshwater fish you can keep in your nano tank
- Ember Tetra
- Pea Pufferfish
- Sixray Corydoras
- Scarlet Badis
- Hara Jerdoni
- Pygmy Corydoras
- Salt And Pepper Catfish
- Endler Guppies
- Sparkling Gouramis
- Licorice Gouramis
- Green Neon Tetra (Schooling fish)
- Neon Tetra (Schooling fish)
Freshwater aquarium fish options not on this list
Celestial pearl: The celestial pearl danio, sometimes called the galaxy rasbora or Microrasbora is a very small easy to care for tropical fish that can also fit in a small tank size.
Peaceful Fish To Avoid
Another type of freshwater fish that some people might consider keeping in a nano tank are Danios, such as the zebra or pearl. Unfortunately, I don’t think Danios shouldn’t really be kept in anything much smaller than a 15 or 20 gallon aquarium. That said, Danios might be okay in a 10 gallon tank, but to be honest, they are a very active community tank fish that needs plenty of space to swim.
Try to avoid fish like the Betta, which are sometimes marketed as a popular fish for a nano tank. Bettas need about 5 gallons to be totally healthy. When it comes to betta fish tank shopping, bigger is better. Betta fish will do best in a tank that is at least 5 gallons. You can learn more about Betta Fish here.
What is considered a nano tank?
A Nano tank is a very small tank or aquarium used for fish, plants or other invertebrates. Typically the size of a Nano tank would be anything smaller than a 10 gallon tank.
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