Compatibility check
Can Chili rasbora and Harlequin rasbora live together?
Chili rasbora and Harlequin rasbora may work, but the rule check found conditions that need careful planning.
caution
Quick answer
Recommended minimum tank for this pair: 15 US gal / 57 L. Keep Chili rasbora at 8+ and Harlequin rasbora at 6+ where those group sizes are greater than one.
Factor breakdown
| Factor | Result | Explanation |
|---|---|---|
| Water type | OK | Chili rasbora is freshwater; Harlequin rasbora is freshwater. Compatibility pages are generated only for matching water types. |
| Temperature | OK | Temperature overlaps at 23-28 C. Chili rasbora is listed at 23-28 C; Harlequin rasbora is listed at 23-28 C. |
| pH | OK | pH overlaps at 6-7. Chili rasbora is listed at 4.5-7; Harlequin rasbora is listed at 6-7.5. |
| Hardness | OK | Hardness overlaps at 2-8 dGH. Chili rasbora is listed at 1-8 dGH; Harlequin rasbora is listed at 2-12 dGH. |
| Adult size and predation | Caution | Adult size differs substantially (Chili rasbora: 2 cm; Harlequin rasbora: 5 cm). Add cover and avoid housing juveniles with adults. |
| Temperament and aggression | OK | Chili rasbora (peaceful nano schooling) and Harlequin rasbora (peaceful schooling) do not have an obvious aggression clash in the dataset. |
| Fin nipping risk | OK | The dataset does not flag this pair as a fin-nipper plus long-finned combination. |
| Schooling and group needs | Caution | Plan around full groups, not single display fish. Minimum group sizes: Chili rasbora: 8+; Harlequin rasbora: 6+. |
| Explicit avoid tags | OK | No explicit avoid-tag conflict was found between these two records. |
| Minimum combined tank size | OK | Use at least 15 US gallons (57 L) for the pair, based on the larger minimum tank plus bioload and activity adjustments where relevant. |
Species profiles
- Chili rasbora - Boraras brigittae
- Harlequin rasbora - Trigonostigma heteromorpha
Related compatibility checks
Sources and attribution
Source links are verification references for taxonomy and identifiers. Care values are AI-generated from common hobby consensus and need expert review.
- Chili rasbora
- Wikidata search - Taxonomy/identifier verification lead only.
- GBIF species search - Taxonomy verification lead only.
- Harlequin rasbora
- Wikidata search - Taxonomy/identifier verification lead only.
- GBIF species search - Taxonomy verification lead only.