Overview
The Pearl Danio (Danio albolineatus) is a beginner freshwater species known for its iridescent pearl-blue coloration. Iridescent pearl body. Top to Mid.
Origin & Appearance
Origin: Southeast Asia.
Colors: Iridescent Pearl-Blue.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 6.0 x 1.1 x 1.8.
Sexual Dimorphism: Subtle; males more iridescent.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 68–77°F |
| pH Range | 6–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Top to Mid |
Behavior & Activity
Active upper swimmer; slightly calmer than zebra danio but still energetic; shimmering glides near surface
Speed: 55/100Aggression: 2/10diurnalSchooling (6+)
Breeding
Easy; egg scatterer
Common Diseases
💊 Hardy
Expert Notes
Iridescent pearl body