Can Bristlenose Pleco live with Fiddler Crab?
Not recommended
Why
- Fiddler Crab hunts along the bottom and will catch the bottom-dwelling Bristlenose Pleco, especially at night.
- Only a narrow pH overlap — keep both around 7.5–7.5.
- Only a narrow water hardness overlap — keep both around 15–15 dGH.
Side-by-side
| Bristlenose Pleco | Fiddler Crab | |
|---|---|---|
| Temperature | 73–81°F | 72–82°F |
| pH | 6–7.5 | 7.5–8.5 |
| Hardness (GH) | 2–15 dGH | 15–25 dGH |
| Adult size | 5" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 25 gal | 15 gal |
Together, plan on at least 25 gallons.
Compatible alternatives
Instead of Bristlenose Pleco (to keep Fiddler Crab):
- Blue Gourami — 5", semi-aggressive
- Sailfin Molly — 5", peaceful
- Pearl Gourami — 4.5", peaceful
Instead of Fiddler Crab (to keep Bristlenose Pleco):
- Pom Pom Crab — 1", semi-aggressive
- Thai Micro Pom Pom Crab — 0.8", peaceful
- Thai Micro Crab — 0.4", peaceful
Where to buy
- Bristlenose Pleco: buy at The Shrimp Farm · The Shrimp Farm 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.
Design the whole tank, not just the stocking
Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.
Design a tank with Bristlenose Pleco, Fiddler Crab →Everything compatible with Bristlenose Pleco · …with Fiddler Crab