Can Common Pleco live with Green Neon Tetra?
Caution — with care
Why
- Very different sizes (Common Pleco 24" vs Green Neon Tetra 1") — these two need different tanks, and the smaller fish will be out-competed at feeding time.
- Only a narrow water hardness overlap — keep both around 5–5 dGH.
Sweet spot: both do well at 75–82°F and pH 6–6.5 — aim there.
Side-by-side
| Common Pleco | Green Neon Tetra | |
|---|---|---|
| Temperature | 72–82°F | 75–84°F |
| pH | 6–8 | 4–6.5 |
| Hardness (GH) | 5–20 dGH | 1–5 dGH |
| Adult size | 24" | 1" |
| Temperament | Peaceful | Peaceful |
| Min tank | 150 gal | 10 gal |
Together, plan on at least 150 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: A larger tank · GH remineraliser
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Design a tank with Common Pleco, Green Neon Tetra →Everything compatible with Common Pleco · …with Green Neon Tetra