Can Discus live with Neon Tetra?
Not recommended
Why
- Discus’s mouth is big enough to swallow Neon Tetra (only 1.5" long) — it will be eaten.
- No overlapping temperature: Discus wants 82–88°F but Neon Tetra wants 68–78°F.
Side-by-side
| Discus | Neon Tetra | |
|---|---|---|
| Temperature | 82–88°F | 68–78°F |
| pH | 5.5–7 | 5.5–7 |
| Hardness (GH) | 1–8 dGH | 1–8 dGH |
| Adult size | 8" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 55 gal | 10 gal |
Together, plan on at least 55 gallons.
Compatible alternatives
Instead of Discus (to keep Neon Tetra):
- Brilliant Rasbora — 4", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Clown Rasbora — 4", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Altum Angelfish — 7", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Instead of Neon Tetra (to keep Discus):
- Cardinal Tetra — 2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Cherry Barb — 2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- False Rummy Nose Tetra — 2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Where to buy
- Discus: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Neon Tetra: buy at Aquarium Co-Op
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Build a full tank around this stocking →Everything compatible with Discus · …with Neon Tetra