Overview
The Galaxy Rasbora / Celestial Pearl Danio (Danio margaritatus) is a intermediate freshwater species known for its dark blue, gold spots, red fins coloration. Stunning spotted pattern. Mid to Lower.
Origin & Appearance
Origin: Myanmar.
Colors: Dark Blue, Gold spots, Red fins.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 2.5 x 0.4 x 0.8.
Sexual Dimorphism: Strong; males brighter spots and redder fins.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 68–79°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 3-10 |
| Bioload | very-high |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid to Lower |
Behavior & Activity
Shy mid-to-lower swimmer; stays among plants; males dart at rivals in brief territorial displays; otherwise slow and cautious
Speed: 45/100Aggression: 2/10diurnalSchooling (8+)
Breeding
Moderate; egg scatterer in moss
Common Diseases
💊 Ich
Expert Notes
Stunning spotted pattern