Can Neon Tetra live with Yucatan Molly?
Not recommended
Why
- Yucatan Molly’s mouth is big enough to swallow Neon Tetra (only 1.5" long) — it will be eaten.
- No overlapping pH: Neon Tetra wants 5.5–7 but Yucatan Molly wants 7.5–8.5.
- No overlapping water hardness: Neon Tetra wants 1–8 dGH but Yucatan Molly wants 15–30 dGH.
Side-by-side
| Neon Tetra | Yucatan Molly | |
|---|---|---|
| Temperature | 68–78°F | 72–82°F |
| pH | 5.5–7 | 7.5–8.5 |
| Hardness (GH) | 1–8 dGH | 15–30 dGH |
| Adult size | 1.5" | 6" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 40 gal |
Together, plan on at least 40 gallons.
Compatible alternatives
Instead of Neon Tetra (to keep Yucatan Molly):
- 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
Instead of Yucatan Molly (to keep Neon Tetra):
- Moonlight Gourami — 6", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Swordtail — 5.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Sailfin Molly — 5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Where to buy
- Neon Tetra: buy at Aquarium Co-Op
- Yucatan Molly: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
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 Neon Tetra · …with Yucatan Molly