Can Marbled Crayfish live with Oolong Shrimp?
Not recommended
Why
- Marbled Crayfish will hunt and eat Oolong Shrimp — even large filter shrimp are not safe.
- Only a narrow pH overlap — keep both around 6.5–6.8.
- No overlapping water hardness: Marbled Crayfish wants 5–20 dGH but Oolong Shrimp wants 0–4 dGH.
Side-by-side
| Marbled Crayfish | Oolong Shrimp | |
|---|---|---|
| Temperature | 64–77°F | 62–72°F |
| pH | 6.5–8 | 5.8–6.8 |
| Hardness (GH) | 5–20 dGH | 0–4 dGH |
| Adult size | 5" | 1.2" |
| Temperament | Aggressive | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Marbled Crayfish (to keep Oolong Shrimp):
- Oolong Shrimp — 1.2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Red Shadow Panda Shrimp — 1.2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Shadow Panda Shrimp — 1.2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Instead of Oolong Shrimp (to keep Marbled Crayfish):
- Pom Pom Crab — 1", semi-aggressive buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Brazos Dwarf Crayfish — 1.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Cajun Dwarf Crayfish — 1.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Where to buy
- Marbled Crayfish: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Oolong Shrimp: 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 Marbled Crayfish · …with Oolong Shrimp