Can Wild Betta Splendens live with Least Rasbora?
Not recommended
Why
- Wild Betta Splendens’s mouth is big enough to swallow Least Rasbora (only 0.8" long) — it will be eaten.
- Wild Betta Splendens is aggressive and will attack the peaceful Least Rasbora.
- Only a narrow water hardness overlap — keep both around 6–7.5 dGH.
Side-by-side
| Wild Betta Splendens | Least Rasbora | |
|---|---|---|
| Temperature | 75–86°F | 75–82°F |
| pH | 6.5–7.6 | 5–7 |
| Hardness (GH) | 6–7.5 dGH | 1–8 dGH |
| Adult size | 2.5" | 0.8" |
| Temperament | Aggressive | Peaceful |
| Min tank | 10 gal | 10 gal |
Together, plan on at least 10 gallons.
Compatible alternatives
Instead of Wild Betta Splendens (to keep Least Rasbora):
- Sparkling Gourami — 1.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Betta (Siamese Fighting Fish) — 2.5", semi-aggressive buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Platy — 2.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Instead of Least Rasbora (to keep Wild Betta Splendens):
- Black Skirt Tetra — 2.5", semi-aggressive buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Tiger Barb — 2.75", semi-aggressive buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Blue Gourami — 6", semi-aggressive buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Where to buy
- Wild Betta Splendens: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Least Rasbora: 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 Wild Betta Splendens · …with Least Rasbora