Can Harlequin Rasbora Live With Discus?
Harlequin Rasbora and Discus are not compatible due to size mismatch or behavioral conflicts.
Parameter Comparison
| Parameter | Harlequin Rasbora | Discus | Overlap |
|---|---|---|---|
| Temperature | 73–82°F | 82–88°F | 82–82°F ✓ |
| pH Range | 6–7.5 | 5.5–7 | 6–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 8" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 55 gal | 55 gal minimum together |
| Diet | Omnivore | Carnivore/Omnivore | — |
| Care Level | beginner | advanced | — |
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
Harlequin rasboras are elegant, copper-colored schooling fish with a distinctive black triangular patch on their body. They are one of the most peaceful and hardy community fish available, making them ideal for beginners. In schools of 8+, they display beautiful coordinated swimming behavior.
Full care guide →Discus
Symphysodon spp.
Discus are widely considered the king of freshwater aquarium fish. Their disk-shaped body, vivid colors, and graceful swimming make them the ultimate showpiece. However, they are among the most demanding freshwater fish to keep, requiring warm, soft, exceptionally clean water, frequent feedings, and a stress-free environment. Discus are not recommended for beginners.
Full care guide →