Black ruby barb
Pethia nigrofasciata
Cyprinidae
Moderate
Parameter dashboard
Temperature
22-26 °C
pH
6-6.5
Size
6 cm
Lifespan
5 years
Min tank80 L
Price$$
DietOmnivore
TemperamentPeaceful
OriginAsia
Shrimp-safeYes
Care guide
Pethia nigrofasciata requires a tank with a minimum capacity of 80L, a temperature range of 22-26°C, and a pH of 6.0-6.5.
Tankmate compatibility (sample)
Pairwise screening against other species in the database (prioritizing the same family when data is available).
Review first (7)
Caution or avoid from automated rules — confirm before mixing.
| Species | Assessment | Notes |
|---|---|---|
| Blackline rasbora Rasbora borapetensis Caution | Caution | Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Chili Rasbora Boraras brigittae Caution | Caution | Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Chinese Bitterling Rhodeus sinensis Caution | Caution | Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Denison barb Sahyadria denisonii Caution | Caution | Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Dwarf rasbora Boraras maculatus Caution | Caution | Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Fiveband barb Desmopuntius pentazona Caution | Caution | Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Flying fox Epalzeorhynchos kalopterus Caution | Caution | Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
5 species with compatible assessment in this sampleCollapse to hide the list; use “Open pair in Compare” for the full matrix.
| Species | Assessment | Notes |
|---|---|---|
| Checkered barb Oliotius oligolepis Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Cherry barb Puntius titteya Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Chinese barb Barbodes semifasciolatus Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Clown rasbora Rasbora kalochroma Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Harlequin rasbora Trigonostigma heteromorpha Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
Same rule engine as Compare. Not a substitute for observation, tank size, or acclimation.
Related species
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