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Freshwater fishBlue Axelrodi Rasbora (School of 5)
Blue Axelrodi Rasbora (School of 5)
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The deep blue rasboras, often called "neon blue rasboras", make a beautiful school in a small aquarium. It's fortunate Dr. Axelrod discovered them.
Quick Facts
| Scientific Name | Sundadanio axelrodi (blue form) |
| Origin | Borneo and nearby islands, Indonesia |
| Care Level | Moderate (needs soft, acidic water) |
| Temperament | Peaceful |
| Adult Size | Up to ¾" |
| Lifespan | 3–5 years |
| Diet | Omnivore (tiny foods) |
| Water Temperature | 72–80°F |
| pH | 5.0–7.0 |
| Group Size | Sold as a school of 5 |
| Shipping Size | Approx. ½" |
Care Guide
Tank setup: Give them dense plants, floating plants, a dark substrate and gentle filtration (a sponge filter is ideal, since they are small enough to be pulled into strong intakes). Soft, slightly acidic water brings out their best color.
Feeding: Feed crushed flake or micro pellets once or twice a day, only as much as they eat in a couple of minutes. They also enjoy frozen brine shrimp.
Tankmates: Keep them with other tiny, peaceful fish such as other micro rasboras, small tetras, pygmy corydoras, otocinclus and dwarf shrimp. Avoid large or boisterous fish, which can eat or stress them.
Good to know: Micro rasboras show their best color and natural schooling behavior in larger groups and well-planted tanks.
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