Overview
The Giant Danio is a vibrant and peaceful addition to the freshwater aquarium. Known for its striking red and blue colors, it is a popular choice for beginners and experienced aquarists alike. These fish are relatively easy to care for and can thrive in a well-maintained tank. They are best kept in groups of at least six to ensure their well-being and display their natural behaviors.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Cyprinidae |
| Genus | Devario |
| Species | Devario aequipinnatus |
| Water type | freshwater |
Natural Habitat
Native to the Mekong and Chao Phraya basins in Southeast Asia, the Giant Danio prefers slow-moving, clear waters with dense vegetation.
Appearance
The Giant Danio has a slender, torpedo-shaped body with a metallic sheen that reflects its vibrant colors. It is easily recognized by its bright red and blue coloration.
Behavior
These fish are generally peaceful and can be kept with a variety of tankmates. However, they may show aggression towards smaller fish or inbreeding species. They are active and enjoy swimming in groups, so a spacious tank is recommended.
| Trait | Value |
|---|---|
| Temperament | peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–28°C (72–82°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | 5-15 dGH 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 | 30L (8 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- The Giant Danio is also known as the Red Danio or the Ruby Danio.
- It is one of the largest danios, with males reaching up to 7 cm in length.
- They are known for their bright colors and are often used in scientific research.
📋 Full Care Guide
Ready to set up a tank for your Giant Danio? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Giant 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.