Compatibility check
Can Molly and Zebra danio live together?
Molly and Zebra danio may work, but the rule check found conditions that need careful planning.
caution
Quick answer
Recommended minimum tank for this pair: 40 US gal / 151 L. Keep Molly at 3+ and Zebra danio at 6+ where those group sizes are greater than one.
Factor breakdown
| Factor | Result | Explanation |
|---|---|---|
| Water type | OK | Molly is freshwater; Zebra danio is freshwater. Compatibility pages are generated only for matching water types. |
| Temperature | Caution | Temperature overlaps at 24-25 C. Molly is listed at 24-28 C; Zebra danio is listed at 18-25 C. |
| pH | OK | pH overlaps at 7.2-8. Molly is listed at 7.2-8.5; Zebra danio is listed at 6.5-8. |
| Hardness | OK | Hardness overlaps at 12-20 dGH. Molly is listed at 12-30 dGH; Zebra danio is listed at 5-20 dGH. |
| Adult size and predation | OK | Adult sizes are not an obvious predator-prey mismatch (Molly: 10 cm; Zebra danio: 5 cm). |
| Temperament and aggression | OK | Molly (peaceful livebearer) and Zebra danio (peaceful active 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: Molly: 3+; Zebra danio: 6+. |
| Explicit avoid tags | OK | No explicit avoid-tag conflict was found between these two records. |
| Minimum combined tank size | OK | Use at least 40 US gallons (151 L) for the pair, based on the larger minimum tank plus bioload and activity adjustments where relevant. |
Species profiles
- Molly - Poecilia sphenops
- Zebra danio - Danio rerio
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.
- Molly
- Wikidata search - Taxonomy/identifier verification lead only.
- GBIF species search - Taxonomy verification lead only.
- Zebra danio
- Wikidata search - Taxonomy/identifier verification lead only.
- GBIF species search - Taxonomy verification lead only.