Golden Wonder Killifish
Golden Wonder Killifish
Can they live together?
Compare their preferred water conditions and basic behavior.
Golden Wonder Killifish
Chili / Mosquito Rasbora
The shared pH range (6.5–6.8) is narrow, so watch for water changes.
Checked for 1 Golden Wonder Killifish and 8 Chili Rasbora in a 75 L aquarium.
Recommended temperature
24 ~ 27°C
Recommended pH
6.5 ~ 6.8
Golden Wonder Killifish: at least 1
Chili Rasbora: at least 8
Together they need at least 75 L and about 60 cm of length.
Check that your aquarium is large enough for both species.
| Item | Golden Wonder Killifish | Chili Rasbora |
|---|---|---|
| Average adult size | about 10 cm (medium) | about 2 cm (nano) |
| Recommended temperature | 22~28°C | 24~27°C |
| Recommended pH | 6.5~8.0 | 5.0~6.8 |
| Water hardness | Medium hardness | Medium hardness |
| Minimum aquarium | 75 L, about 60 cm long | 41 L, about 45 cm long |
| Group size | single is fine | at least 8 |
| Temperament | Moderate | Gentle |
| Social behavior | Social needs depend on the species and setup | Shoaling fish |
| Swimming zone | multiple levels | middle |
| Activity level | Moderate | Moderate |
| Waste level | Low | Very low |
| With shrimp | adults not recommended, babies not recommended | adults usually fine, babies not recommended |
| Beginner level | 4/5 | 3/5 |
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Planner result: Not recommended. The shared pH range (6.5–6.8) is narrow, so watch for water changes. This fish may jump or escape through gaps; a secure lid is recommended. Species-specific care guidance does not recommend this combination.
Keep the water at 24~27°C and pH 6.5~6.8, where both planner ranges overlap. Golden Wonder Killifish prefers medium hardness and Chili Rasbora prefers medium hardness.
At least 75 L and about 60 cm long, the larger of the two minimums (Golden Wonder Killifish: 75 L, Chili Rasbora: 41 L). Group sizes add to the bioload, so bigger is safer.
Golden Wonder Killifish: can be kept singly (social needs depend on the species and setup). Chili Rasbora: at least 8 (shoaling fish).
Golden Wonder Killifish is moderate and swims in the multiple levels; Chili Rasbora is gentle and swims in the middle. Activity: moderate vs moderate.
Each species' values are cross-checked against the references below and normalized into the planner's own ranges; the verdict comes from the planner's published rules. No text or images are copied.
This is a guide. Individual behavior and aquarium conditions can change the outcome.