Can Tail Spot Pygmy Cory live with Marbled Crayfish?
Not recommended
Why
- Marbled Crayfish hunts along the bottom and will catch the bottom-dwelling Tail Spot Pygmy Cory, especially at night.
- Only a narrow water hardness overlap — keep both around 6–7.5 dGH.
Side-by-side
| Tail Spot Pygmy Cory | Marbled Crayfish | |
|---|---|---|
| Temperature | 72–79°F | 64–77°F |
| pH | 6.5–7.6 | 6.5–8 |
| Hardness (GH) | 6–7.5 dGH | 5–20 dGH |
| Adult size | 1" | 5" |
| Temperament | Peaceful | Aggressive |
| Min tank | 10 gal | 30 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Tail Spot Pygmy Cory (to keep Marbled Crayfish):
- Axelrod's Rasbora — 0.6", peaceful
- Black Neon Tetra — 1.5", peaceful
- Chili Rasbora — 0.7", peaceful buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
Instead of Marbled Crayfish (to keep Tail Spot Pygmy Cory):
- Brazos Dwarf Crayfish — 1.5", peaceful
- Cajun Dwarf Crayfish — 1.5", peaceful
- Dwarf Crayfish (CPO) — 1.75", peaceful buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
Design the whole tank, not just the stocking
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Design a tank with Tail Spot Pygmy Cory, Marbled Crayfish →Everything compatible with Tail Spot Pygmy Cory · …with Marbled Crayfish