Can Bolivian Ram live with Carnival / Polka Dot Freshwater Crab?
Not recommended
Why
- Carnival / Polka Dot Freshwater Crab hunts along the bottom and will catch the bottom-dwelling Bolivian Ram, especially at night.
- Only a narrow pH overlap — keep both around 7.5–7.5.
Side-by-side
| Bolivian Ram | Carnival / Polka Dot Freshwater Crab | |
|---|---|---|
| Temperature | 72–79°F | 75–82°F |
| pH | 6–7.5 | 7.5–8 |
| Hardness (GH) | 6–15 dGH | 8–15 dGH |
| Adult size | 3.5" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Bolivian Ram (to keep Carnival / Polka Dot Freshwater Crab):
- Dwarf Gourami — 3.5", peaceful
- Scissortail Rasbora — 3.5", peaceful
- Thick-lipped Gourami — 3.5", peaceful
Instead of Carnival / Polka Dot Freshwater Crab (to keep Bolivian Ram):
- 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 Bolivian Ram, Carnival / Polka Dot Freshwater Crab →Everything compatible with Bolivian Ram · …with Carnival / Polka Dot Freshwater Crab