Can Black Neon Tetra live with Cajun Dwarf Crayfish?
Light caution
Why
- Cajun Dwarf Crayfish can grab Black Neon Tetra while it sleeps — only fast mid/top-water fish are reasonably safe.
Sweet spot: both do well at 72–75°F and pH 6.5–7.5 — aim there.
Side-by-side
| Black Neon Tetra | Cajun Dwarf Crayfish | |
|---|---|---|
| Temperature | 72–82°F | 65–75°F |
| pH | 5.5–7.5 | 6.5–8 |
| Hardness (GH) | 2–12 dGH | 5–15 dGH |
| Adult size | 1.5" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 15 gal | 10 gal |
Together, plan on at least 15 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
Design the whole tank, not just the stocking
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Design a tank with Black Neon Tetra, Cajun Dwarf Crayfish →Everything compatible with Black Neon Tetra · …with Cajun Dwarf Crayfish