Can Blue Phantom Pleco live with Red Devil Vampire Crab?
Not recommended
Why
- Red Devil Vampire Crab hunts along the bottom and will catch the bottom-dwelling Blue Phantom Pleco, especially at night.
- No overlapping water hardness: Blue Phantom Pleco wants 5.5–7 dGH but Red Devil Vampire Crab wants 8–15 dGH.
- Only a narrow pH overlap — keep both around 7.5–7.6.
Side-by-side
| Blue Phantom Pleco | Red Devil Vampire Crab | |
|---|---|---|
| Temperature | 75–82°F | 75–82°F |
| pH | 6.5–7.6 | 7.5–8 |
| Hardness (GH) | 5.5–7 dGH | 8–15 dGH |
| Adult size | 7" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 55 gal | 10 gal |
Together, plan on at least 55 gallons.
Compatible alternatives
Instead of Blue Phantom Pleco (to keep Red Devil Vampire Crab):
- Altum Angelfish — 7", peaceful
- Angelfish — 6", peaceful
- Gold Gourami — 6", semi-aggressive
Instead of Red Devil Vampire Crab (to keep Blue Phantom Pleco):
- Thai Micro Pom Pom Crab — 0.8", peaceful
- Pom Pom Crab — 1", semi-aggressive
- Thai Micro Crab — 0.4", peaceful
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Design a tank with Blue Phantom Pleco, Red Devil Vampire Crab →Everything compatible with Blue Phantom Pleco · …with Red Devil Vampire Crab