Can Betta (Siamese Fighting Fish) live with Thai Micro Crab?
Compatible
Why
No conflicts — these two share similar water needs, temperament, and size, and neither is a threat to the other.
Sweet spot: both do well at 76–79°F and pH 6.5–7.5 — aim there.
Side-by-side
| Betta (Siamese Fighting Fish) | Thai Micro Crab | |
|---|---|---|
| Temperature | 76–82°F | 72–79°F |
| pH | 6–7.5 | 6.5–7.5 |
| Hardness (GH) | 2–12 dGH | 4–12 dGH |
| Adult size | 2.5" | 0.4" |
| Temperament | Semi-aggressive | Peaceful |
| Min tank | 5 gal | 5 gal |
Together, plan on at least 5 gallons.
Where to buy
- Betta (Siamese Fighting Fish): buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Thai Micro Crab: buy at Flip Aquatics · Flip Aquatics 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.
Build a full tank around this stocking →Everything compatible with Betta (Siamese Fighting Fish) · …with Thai Micro Crab