| Rose danio | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Danionidae |
| Subfamily: | Danioninae |
| Genus: | Danio |
| Species: | D. roseus |
| Binomial name | |
| Danio roseus | |
The rose danio (Danio roseus) is a tropical fish of the family Danionidae. At first glance, this species resembles the pearl danio, but lacks the orange stripe on the side. It has a rosy colouration along the lower part of the fish and lower fins and gleams purple-blue in sunlight. It is also commonly known as the purple passion danio. Its natural range includes the Mekong River drainage in China, Thailand. Laos, and Myanmar.
- Maximum length: 1.25 inches 3.175 cm
- Colors: Blue, purple, silver, red
- Temperature preference 20-25 °C
- pH preference: 6 to 7
- Hardness preference: Soft to medium
- Salinity preference: Low to medium
- Compatibility: Peaceful but fast, like most danios; needs plenty of space to swim; a good "dither" fish (draws timid fish out of hiding)
- Lifespan: Typically two to three years
- Ease of keeping: Moderate
- Ease of breeding: Moderate to easy