Overview
The Celestial Pearl Danio (Danio margaritatus) is a freshwater fish from the family Cyprinidae. It thrives at temperatures of 22–26 °C with a pH of 6.5–7.5, requiring a minimum tank size of 40 litres. Tiny jewel-like nano fish perfect for planted tanks. Males display vivid colors when competing for females in well-planted tanks.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Cyprinidae |
| Genus | Danio |
| Species | Danio margaritatus |
| Water type | freshwater |
Natural Habitat
Appearance
Behavior
Males display vivid colors when competing for females in well-planted tanks
| Trait | Value |
|---|---|
| Temperament | Tiny jewel-like nano fish perfect for planted tanks |
| Schooling | Yes |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | soft 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 | 40L (11 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Discovered only in 2006 in a single pond in Myanmar
📋 Full Care Guide
Ready to set up a tank for your Celestial Pearl Danio? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Celestial 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.