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Aug 21, 2024 · 20 Tiniest Freshwater Aquarium Micro Fish. I took considerable time off to do some deep research on nano fish that would best suit a freshwater aquarium. I combined that with my personal experience in fish keeping and I made sure to not list fish that get over 2.5 inches in full-grown length.
- Harlequin Rasbora. The Harlequin Rasbora is a tiny fish that’s a ton of fun to watch. They are endemic to blackwater bodies of water in Southeast Asia.
- Otocinclus. Also known as “dwarf suckers,” the Otocinclus is a great addition to nano tanks. Not only is this small catfish an interesting specimen to watch, but it will also play an important role in maintaining the ecosystem!
- Least Killifish. This beginner-friendly fish is endemic to the southern United States. They can be found in fresh bodies of water throughout South Carolina and Louisiana.
- Bumblebee Goby. The adorable Bumblebee Goby is a unique fish with some distinct looks. They are aptly named after the striking yellow and black stripes that cover their bodies.
Nano fish tanks are popular for their beauty and compact size, so learn about 10 aquarium fish that are small enough to comfortably live in them.
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- Betta Fish. The Betta Fish may be the most famous fish of all. This small but fierce fish is a type of Gourami that reaches about 2 inches in length. You can find them in bright red, purple, blue, yellow, and turquoise colors.
- Cardinal Tetra. The Cardinal Tetra offers a streak of bright red for your aquarium. This shoaling community fish makes a great addition to any aquascape.
- Celestial Pearl Danio. Danios come in many sizes and colors. The Celestial Pearl Danio is not only one of the smallest, but also one of the most beautiful.
- Cherry Barb. The Cherry Barb is a peaceful community fish. It grows up to 2 inches long and can be found in many different shades from blush to cherry red.
- Neon Tetra. Scientific Name: Paracheirodon innesi. Adult Size: 1.5 inches. Care Level: Easy. Temperament: Peaceful. Minimum Tank Size: 10 gallons. Diet: Carnivorous, feed granules or flakes, live and frozen foods.
- Ember Tetra. Scientific Name: Hyphessobrycon amandae. Adult Size: 0.8 inches. Care Level: Easy. Temperament: Peaceful. Minimum Tank Size: 10 gallons. Diet: Carnivorous, feed granules or flakes, live and frozen foods.
- Harlequin Rasbora. Scientific Name: Rasbora heteromorpha. Adult Size: 1.75 inches. Care Level: Easy. Temperament: Peaceful. Minimum Tank Size: 10 gallons. Diet: Omnivorous, feed granules or flakes, live and frozen food.
- Cardinal Tetra. Scientific Name: Paracheirodon axelrodi. Adult Size: 1.5 inches. Care Level: Easy. Temperament: Peaceful. Minimum Tank Size: 15+ gallons. Diet: Carnivorous, feed granules or flakes, live and frozen food.
1. Dwarf Pea Puffer. Pea puffer fish, also known as the dwarf puffer fish is a freshwater fish that originates from India. They only grow to up to 2.5 cm, so they are a small type of fish that are ideal for smaller tanks – they need at least a 40 cm swimming space, so it is advisable not to put more than one pea puffer into your nano tank.
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Oct 10, 2023 · In it, you’ll learn about each of the best fish for small tanks. All of the freshwater nano fish below are a joy to keep, and very convenient due to their size. Simply look through this list, and pick your favorites! 1. Harlequin Rasbora. The Harlequin Rasbora is a tiny fish that’s a ton of fun to watch.
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