Compatibility check
Can Betta and Bristlenose pleco live together?
Betta and Bristlenose pleco can usually live together when the tank is sized for both species and normal group needs are met.
compatible
Quick answer
Recommended minimum tank for this pair: 40 US gal / 151 L. Keep Betta at 1+ and Bristlenose pleco at 1+ where those group sizes are greater than one.
Factor breakdown
| Factor | Result | Explanation |
|---|---|---|
| Water type | OK | Betta is freshwater; Bristlenose pleco is freshwater. Compatibility pages are generated only for matching water types. |
| Temperature | OK | Temperature overlaps at 24-27 C. Betta is listed at 24-28 C; Bristlenose pleco is listed at 22-27 C. |
| pH | OK | pH overlaps at 6.5-7.8. Betta is listed at 6.5-7.8; Bristlenose pleco is listed at 6-7.8. |
| Hardness | OK | Hardness overlaps at 3-15 dGH. Betta is listed at 3-15 dGH; Bristlenose pleco is listed at 2-15 dGH. |
| Adult size and predation | OK | Adult sizes are not an obvious predator-prey mismatch (Betta: 7 cm; Bristlenose pleco: 13 cm). |
| Temperament and aggression | OK | Betta (territorial) and Bristlenose pleco (peaceful bottom grazer) 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 | OK | Neither species requires a large school in this dataset, though normal social behavior still matters. |
| 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
- Betta - Betta splendens
- Bristlenose pleco - Ancistrus cirrhosus
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.
- Betta
- Wikidata search - Taxonomy/identifier verification lead only.
- GBIF species search - Taxonomy verification lead only.
- Bristlenose pleco
- Wikidata search - Taxonomy/identifier verification lead only.
- GBIF species search - Taxonomy verification lead only.