Can Fancy Guppy (Female trio) live with Blue Phantom Pleco?
Caution — with care
Why
- Large size gap (Fancy Guppy (Female trio) 2.4" vs Blue Phantom Pleco 7") — the bigger fish may eat the smaller one as they grow.
- No overlapping water hardness: Fancy Guppy (Female trio) wants 8–20 dGH but Blue Phantom Pleco wants 5.5–7 dGH.
Sweet spot: both do well at 75–82°F and pH 6.8–7.6 — aim there.
Side-by-side
| Fancy Guppy (Female trio) | Blue Phantom Pleco | |
|---|---|---|
| Temperature | 72–82°F | 75–82°F |
| pH | 6.8–7.8 | 6.5–7.6 |
| Hardness (GH) | 8–20 dGH | 5.5–7 dGH |
| Adult size | 2.4" | 7" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 55 gal |
Together, plan on at least 55 gallons.
How to make it work
- Add only full-grown adults — never juveniles, which will be eaten.
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser → Aquarium Co-Op
Where to buy
- Fancy Guppy (Female trio): buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Blue Phantom Pleco: 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 Fancy Guppy (Female trio) · …with Blue Phantom Pleco