Can Discus live with Slender Rasbora?
Caution — with care
Why
- No overlapping temperature: Discus wants 82–88°F but Slender Rasbora wants 72–79°F.
- Very different sizes (Discus 8" vs Slender Rasbora 1.5") — these two need different tanks, and the smaller fish will be out-competed at feeding time.
Side-by-side
| Discus | Slender Rasbora | |
|---|---|---|
| Temperature | 82–88°F | 72–79°F |
| pH | 5.5–7 | 5–7 |
| Hardness (GH) | 1–8 dGH | 1–8 dGH |
| Adult size | 8" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 55 gal | 15 gal |
Together, plan on at least 55 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: An adjustable heater · A larger tank
Design the whole tank, not just the stocking
Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.
Design a tank with Discus, Slender Rasbora →Everything compatible with Discus · …with Slender Rasbora