Least rasbora
Boraras urophthalmoides
Cyprinidae
Easy
Parameter dashboard
Temperature
24-28 °C
pH
6-7
Size
4 cm
Lifespan
3 years
Min tank20 L
Price$
DietOmnivore
TemperamentPeaceful
OriginAsia
Shrimp-safeYes
Care guide
Boraras urophthalmoides requires a tank size of at least 20L with temperatures between 24-28°C and pH 6.0-7.0.
Tankmate compatibility (sample)
Pairwise screening against other species in the database (prioritizing the same family when data is available).
Review first (8)
Caution or avoid from automated rules — confirm before mixing.
| Species | Assessment | Notes |
|---|---|---|
| Blackline rasbora Rasbora borapetensis Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Chinese Bitterling Rhodeus sinensis Caution | Caution | Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Clown rasbora Rasbora kalochroma Caution | Caution | Fish 2x+ larger may eat smaller tankmates 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 | Species with non-overlapping pH ranges may not thrive together Open pair in Compare → |
| Fiveband barb Desmopuntius pentazona Caution | Caution | Fish 2x+ larger may eat smaller tankmates · 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 Open pair in Compare → |
| Chinese barb Barbodes semifasciolatus Avoid | Avoid | Species with non-overlapping temperature ranges cannot coexist Open pair in Compare → |
4 species with compatible assessment in this sampleCollapse to hide the list; use “Open pair in Compare” for the full matrix.
| Species | Assessment | Notes |
|---|---|---|
| Black ruby barb Pethia nigrofasciata Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| 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 → |
| Chili Rasbora Boraras brigittae 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
Was this page helpful?