Can Carnival / Polka Dot Freshwater Crab live with Longfin Bristlenose Pleco?
Not recommended
Why
- Carnival / Polka Dot Freshwater Crab hunts along the bottom and will catch the bottom-dwelling Longfin Bristlenose Pleco, especially at night.
- No overlapping water hardness: Carnival / Polka Dot Freshwater Crab wants 8–15 dGH but Longfin Bristlenose Pleco wants 6.5–7.5 dGH.
- Only a narrow pH overlap — keep both around 7.5–7.6.
Side-by-side
| Carnival / Polka Dot Freshwater Crab | Longfin Bristlenose Pleco | |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 7.5–8 | 6.5–7.6 |
| Hardness (GH) | 8–15 dGH | 6.5–7.5 dGH |
| Adult size | 1.5" | 5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 30 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Carnival / Polka Dot Freshwater Crab (to keep Longfin Bristlenose Pleco):
- Thai Micro Pom Pom Crab — 0.8", peaceful
- Pom Pom Crab — 1", semi-aggressive
- Thai Micro Crab — 0.4", peaceful
Instead of Longfin Bristlenose Pleco (to keep Carnival / Polka Dot Freshwater Crab):
- Blue Gourami — 5", semi-aggressive
- Sailfin Molly — 5", peaceful
- Pearl Gourami — 4.5", peaceful
Where to buy
- Longfin 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.
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Design a tank with Carnival / Polka Dot Freshwater Crab, Longfin Bristlenose Pleco →Everything compatible with Carnival / Polka Dot Freshwater Crab · …with Longfin Bristlenose Pleco
Related pairings
Carnival / Polka Dot Freshwater Crab + Neon TetraCarnival / Polka Dot Freshwater Crab + Cherry ShrimpCarnival / Polka Dot Freshwater Crab + AngelfishCarnival / Polka Dot Freshwater Crab + Nerite SnailCarnival / Polka Dot Freshwater Crab + Amano ShrimpCarnival / Polka Dot Freshwater Crab + Harlequin Rasbora