Best Freshwater Fish For Nano Aquariums!

Are you confused about which Nano fish to keep? Do you want to explore more about the world of small fishes? Out there, we have various kinds of Nano fish, and this may make it a bit difficult to choose the right kind for yourself. Thankfully, we are here to help you with that only! We have done hours of research and analysis to come up with the following list of best freshwater fish for nano aquariums. It’s advised that you read this article till the very end as some of the most amazing options are going to come up in front of you.

 

Top 10 best freshwater fish for nano aquariums

 

Salt And Pepper Catfish

 

 

Brief Details:

  • Color: White with Black Bands
  • Size: 2 cm (0.75″)
  • Temperament: Peaceful
  • Tank Size: 10 gallons
  • Diet: Omnivorous
  • Care Level: Easy

The Salt and Pepper Catfish could easily be found in small streams and shallow water. The reason that it’s known by this name is that the Nano fish consists of black and white colors and patterns on the body. It’s bound to enjoy swimming with a host of fishes as it’s a schooling fish. At maximum, a 10 gallon Nano fish tank would be enough to pet a load of Salt and Pepper Catfish.

 

Scarlet Badis

Brief Details:

  • Color: Rusty Orange, Bright Red, and Silvery Gray
  • Size: 2 cm (0.78″)
  • Temperament: Peaceful & at times anger towards other males.
  • Tank Size: 5-10 gallons
  • Diet: Omnivores
  • Care Level: Intermediate

One of the best small freshwater fish for nano aquariums to keep in your tank would probably be Scarlet Badis. It is a great fish that you may add to your aquatic pet home. Generally, male fish are bigger than female fish. However, it has been noticed that sometimes the female Scarlet Badis may have an aggressive nature towards its fellow males. That’s why we recommend you to separate the male and female fishes. Decorate your nano tank with a number of caves, small rocks, and natural lighting, so that these fish could sneak away from their enemies.

 

Endler’s Livebearers

Brief Details:

  • Color: Black, Orange, Metallic Green, etc.
  • Size: 2.54 cm (1″)
  • Temperament: Peaceful
  • Tank Size: 5-10 gallons
  • Diet: Omnivores
  • Care Level: Easy

Endler’s Livebearers is popularly known for its vibrant psychedelic patterns. The fish starts off right with eggs in its womb, coming out in the form of cute little fries. The reproductive patterns of the fish reveal that its breeding is frequent. Therefore, we recommend you to go for a bit larger gallon aquarium if you wish to keep the little cute fries too. It doesn’t matter whether you are a beginner or experienced in the fish-keeping game you can still easily pet Endler’s Livebearers. The omnivore’s fish has a resilient and hardy nature, making it feasible to opt for a low maintenance tank.

 

Hara Jerdoni

Brief Details:

  • Color: Gray, Light Brown, Reddish Brown, Dark Brown
  • Size: 3 cm (1.2″)
  • Temperament: Peaceful
  • Tank Size: 10 gallons
  • Diet: Omnivores
  • Care Level: Easy

Hara Jerdoni belongs to the Catfish family and is one of the smallest fishes of the clan. It hails from India and can be found in ponds, small streams, and rivers. The fish feeds on dried or frozen foods, along with shrimps and worms. Oh, did we forget to mention that Hara Jerdoni is also commonly known as Stone Fish? The title has been given mainly because the fish is a bottom settler. This also becomes the reason for you to ensure an above-average oxygen level in the aquarium.

 

Betta Fish

Brief Details:

  • Color: Orange, Red, Dark Blue, etc.
  • Size: 7.62 cm (3″)
  • Temperament: Peaceful
  • Tank Size: 5 gallons
  • Diet: Carnivores
  • Care Level: Easy

Betta Fish has admirable fins, aesthetic patterns, and vibrant colors. These characteristics act as the source of the popularity of the fish among various levels of fish keepers. The great thing about this carnivore’s fish is that it’s very dynamic. It can easily adjust to most of the water conditions. To pet this fish, you can just opt for a 5-gallon tank. Believe us that would be more than enough! Don’t forget that Bettas don’t go well with small bowls as they are active swimmers. If you want, then you may even go for a little heater as this fish loves warm water.

 

Sparkling Gourami

Brief Details:

  • Color: Brown, Gray, and Bluish
  • Size: 2.54 cm (1″)
  • Temperament: Peaceful
  • Tank Size: 5-10 gallons
  • Diet: Omnivores
  • Care Level: Easy

Sparkling Gourami is the smallest fish in the whole Gourami clan, majorly known for its shimmering and bright shades. Just like some other fishes listed here, this one too is a schooling fish. If you plan to keep it separate, then it’s a perfect fish for 5-gallon nano tanks. However, if you plan to put up 4-5 together then opt for a minimum 10-gallon aquarium. As this fish is not a picky eater, feel free to feed both herbs and meaty foods. This combination will help to increase their brightness. Gouramis are environmental in nature, so, don’t forget to add caves, driftwoods, and live plants in the aquarium.

 

Pygmy Corydoras

Brief Details:

  • Color: Silver
  • Size: 3.30 cm (1.3″)
  • Temperament: Peaceful
  • Tank Size: 10 gallons
  • Diet: Omnivores
  • Care Level: Easy

The Pygmy Corydoras can easily be kept in a 10-gallon aquarium. This little fish sports a non-aggressive nature, and goes well with other peaceful water animals. We recommend you to put them along with small peaceful fish, and refrain from putting large predators. The black streak patterns and silver shades make the mid-dwelling fish quite attractive and beautiful. In the market, it won’t be much difficult to find this fish as it’s quite popular among the fish-keepers.

 

Neon Tetra 

Brief Details:

  • Color: Translucent, Red, Blue and Bicolor
  • Size: 4 cm (1.5″)
  • Temperament: Peaceful
  • Tank Size: 10 gallons
  • Diet: Omnivores
  • Care Level: Easy

Neon Tetra is one of the best freshwater fish for nano aquariums. It is a very peaceful small aquarium fish. The dynamic nature and shimmering color of Neon Tetra are some of the prominent characteristics that attract the interests of the aquarists. This fish isn’t a selective eater, henceforth you won’t have to worry about the feeding. Most of the novice at times tend to get confused between Cardinal Tetra and Neon Tetra. So, ascertain that you don’t end up repeating the same mistake due to misunderstanding.

 

Norman’s Lampeye Killifish 

Brief Details:

  • Color: Light Brown, Creamy
  • Size: 3.81 cm (1.5″)
  • Temperament: Peaceful
  • Tank Size: 5-10 gallons
  • Diet: Carnivores
  • Care Level: Easy

When we talk about the Killifish family, there are certain common characteristics among the various species of the clan. However, surprisingly, Norman’s Lampeye Killifish is a fish that’s different from its other members. This fish is known mainly for its peaceful and resilient nature. The Norman’s Lampeye Killifish is shy in nature, so don’t forget to put in some caves and floating plants in its tank. This is a perfect small aquarium fish, and you may keep up to 4-5 fish in a 10-gallon aquarium.

 

Celestial Pearl Danios (CPD)

Brief Details:

  • Color: Bluish, Orange & Red Body
  • Size: 2.54 cm (1″)
  • Temperament: Peaceful
  • Tank Size: 5 gallons
  • Diet: Omnivores
  • Care Level: Easy

The Celestial Pearl Danios are schooling fishes. Keeping them in a group of 4-5 is most advisable rather than just opting for one. For a shoal of Danios, a 10-gallon aquarium would be fine. Factors like fish’s small size, beautiful pattern, and vibrant shades all add up to a great Nano freshwater fish. The CPD isn’t a selective eater just like Neon Tetra. Right from pellets to dried foods, you can feed it all!

 

Nano Fish Are A Joy To Keep!

 

 

The above-listed small aquarium fish are the most widely popular and used among the aquatics. We are sure that at least one out of the above-mentioned choices would have become your favorite. If there have been more than one favorite then go ahead and immediately note it down somewhere. If you aren’t yet convinced and are looking for more options or reasons to opt for Nano freshwater fish, then we request you to reach out to us via the comments below.

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