Overview
The Scarlet Badis (Dario dario) is a intermediate freshwater species known for its red-blue (male), gray (female) coloration. Tiny gem. Mid to Bottom.
Origin & Appearance
Origin: India.
Colors: Red-Blue (male), Gray (female).
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 2.0 x 0.4 x 0.6.
Sexual Dimorphism: Strong; males vivid red-blue, females gray.
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 64–79°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 Bottom |
Behavior & Activity
Tiny territorial hoverer; males defend micro-territories among plants; barely visible flitting between hiding spots
Speed: 25/100Aggression: 3/10diurnal
Breeding
Moderate; cave spawner
Common Diseases
💊 Ich
Expert Notes
Tiny gem; males are brilliant red/blue