Can Blue Phantom Pleco live with Red Claw Crab?
Not recommended
Why
- Red Claw 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 Claw Crab wants 15–25 dGH.
- Only a narrow pH overlap — keep both around 7.5–7.6.
Side-by-side
| Blue Phantom Pleco | Red Claw Crab | |
|---|---|---|
| Temperature | 75–82°F | 75–82°F |
| pH | 6.5–7.6 | 7.5–8.5 |
| Hardness (GH) | 5.5–7 dGH | 15–25 dGH |
| Adult size | 7" | 2.5" |
| Temperament | Peaceful | Semi-aggressive |
| Min tank | 55 gal | 15 gal |
Together, plan on at least 55 gallons.
Compatible alternatives
Instead of Blue Phantom Pleco (to keep Red Claw Crab):
- Altum Angelfish — 7", peaceful
- Angelfish — 6", peaceful
- Gold Gourami — 6", semi-aggressive
Instead of Red Claw Crab (to keep Blue Phantom Pleco):
- Thai Micro Pom Pom Crab — 0.8", peaceful
- Thai Micro Crab — 0.4", peaceful
- Pom Pom Crab — 1", semi-aggressive
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Design a tank with Blue Phantom Pleco, Red Claw Crab →Everything compatible with Blue Phantom Pleco · …with Red Claw Crab