Can Marbled Crayfish live with Neon Tetra?
Caution — with care
Why
- Marbled Crayfish can grab Neon Tetra while it sleeps — only fast mid/top-water fish are reasonably safe.
Sweet spot: both do well at 68–77°F and pH 6.5–7 — aim there.
Side-by-side
| Marbled Crayfish | Neon Tetra | |
|---|---|---|
| Temperature | 64–77°F | 68–78°F |
| pH | 6.5–8 | 5.5–7 |
| Hardness (GH) | 5–20 dGH | 1–8 dGH |
| Adult size | 5" | 1.5" |
| Temperament | Aggressive | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
Where to buy
- Marbled Crayfish: 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 Marbled Crayfish · …with Neon Tetra