Compatibility check
Can Otocinclus and Zebra danio live together?
Otocinclus and Zebra danio may work, but the rule check found conditions that need careful planning.
caution
Quick answer
Recommended minimum tank for this pair: 20 US gal / 76 L. Keep Otocinclus at 6+ and Zebra danio at 6+ where those group sizes are greater than one.
Factor breakdown
| Factor | Result | Explanation |
|---|---|---|
| Water type | OK | Otocinclus is freshwater; Zebra danio is freshwater. Compatibility pages are generated only for matching water types. |
| Temperature | OK | Temperature overlaps at 22-25 C. Otocinclus is listed at 22-26 C; Zebra danio is listed at 18-25 C. |
| pH | OK | pH overlaps at 6.5-7.5. Otocinclus is listed at 6-7.5; Zebra danio is listed at 6.5-8. |
| Hardness | OK | Hardness overlaps at 5-12 dGH. Otocinclus is listed at 2-12 dGH; Zebra danio is listed at 5-20 dGH. |
| Adult size and predation | OK | Adult sizes are not an obvious predator-prey mismatch (Otocinclus: 5 cm; Zebra danio: 5 cm). |
| Temperament and aggression | Caution | Otocinclus is described as peaceful algae grazer; Zebra danio is described as peaceful active schooling. Watch for bullying, especially in small or sparsely decorated tanks. |
| 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: Otocinclus: 6+; 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 20 US gallons (76 L) for the pair, based on the larger minimum tank plus bioload and activity adjustments where relevant. |
Species profiles
- Otocinclus - Otocinclus vittatus
- 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.
- Otocinclus
- 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.