Can Flash Pleco (L204) live with Rummynose Tetra?
Caution — with care
Why
- Very different sizes (Flash Pleco (L204) 20" vs Rummynose Tetra 2") — 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 6–7.5 dGH.
Sweet spot: both do well at 75–82°F and pH 6.5–7 — aim there.
Side-by-side
| Flash Pleco (L204) | Rummynose Tetra | |
|---|---|---|
| Temperature | 72–82°F | 75–84°F |
| pH | 6.5–7.6 | 5.5–7 |
| Hardness (GH) | 6–7.5 dGH | 2–8 dGH |
| Adult size | 20" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 125 gal | 20 gal |
Together, plan on at least 125 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 Flash Pleco (L204), Rummynose Tetra →Everything compatible with Flash Pleco (L204) · …with Rummynose Tetra