Overview
The Pearl Danio is a popular freshwater fish known for its shimmering blue and white colors. It is a peaceful community fish that can be kept in a tank with other peaceful species. These fish are moderately active and do not require a large tank. They are suitable for beginners due to their hardiness and ease of care.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Cyprinidae |
| Genus | Danio |
| Species | Danio albolineatus |
| Water type | freshwater |
Natural Habitat
Native to the Mekong River in Laos, the Pearl Danio prefers slow-moving waters with dense vegetation.
Appearance
The Pearl Danio has a slender, torpedo-shaped body with a distinctive pearl-like sheen on its scales.
Behavior
These fish are generally peaceful and can be kept in groups, but they may be shy in smaller tanks. They are active and enjoy swimming in the middle and upper levels of the water column.
| Trait | Value |
|---|---|
| Temperament | peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–28°C (72–82°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | 5-15 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 20L (5 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- They are known for their unique coloration, which is due to the presence of iridescent scales.
- The Pearl Danio is a popular choice for betta tanks due to its peaceful nature.
- They are known to be quite hardy and can tolerate a variety of water conditions.
📋 Full Care Guide
Ready to set up a tank for your Pearl Danio? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Pearl Danio Care Guide →Related Species
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.