Can Green Neon Tetra live with Dwarf Crayfish (CPO)?
Light caution
Why
- Dwarf Crayfish (CPO) can grab Green Neon Tetra while it sleeps — only fast mid/top-water fish are reasonably safe.
- No overlapping pH: Green Neon Tetra wants 4–6.5 but Dwarf Crayfish (CPO) wants 7–8.
- No overlapping water hardness: Green Neon Tetra wants 1–5 dGH but Dwarf Crayfish (CPO) wants 6–15 dGH.
Side-by-side
| Green Neon Tetra | Dwarf Crayfish (CPO) | |
|---|---|---|
| Temperature | 75–84°F | 65–79°F |
| pH | 4–6.5 | 7–8 |
| Hardness (GH) | 1–5 dGH | 6–15 dGH |
| Adult size | 1" | 1.75" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 10 gal |
Together, plan on at least 10 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser → Aquarium Co-Op
Where to buy
- Green Neon Tetra: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Dwarf Crayfish (CPO): 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 Green Neon Tetra · …with Dwarf Crayfish (CPO)