Dwarf rasbora
Boraras maculatus
easypeacefulmiddle swimmerCyprinidae
Photo: Atulbhats · CC BY-SA 4.0
- Tank length
- 40 cm16 in
- Group
- 8+
- Temperature
- 24–27 °C75–81 °F
- pH
- 5–6.8
- Adult size
- 2 cm1 in
- Lifespan
- 2–4 yrs
Fine food and sheltered water help tiny adults thrive.Fine food and sheltered water help tiny adults thrive.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- African clawed frog
African clawed frog may eat Dwarf rasboraAfrican clawed frog may eat Dwarf rasbora
- Ajamaru rainbowfish
No shared pH rangeNo shared pH range
- Angfa rainbowfish
No shared pH rangeNo shared pH range
- Arfak rainbowfish
No shared pH rangeNo shared pH range
Assassin snailNo shared pH rangeNo shared pH range
- Batanta rainbowfish
No shared pH rangeNo shared pH range
- Blue rainbowfish
No shared pH rangeNo shared pH range
- Brevis shell dweller
No shared pH rangeNo shared pH range
- Butterfly splitfin
No shared pH rangeNo shared pH range
- Caudopunctatus
No shared pH rangeNo shared pH range
- Chinese mystery snail
No shared pH rangeNo shared pH range
Data used by the planner
| Temperature | 24–27 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 5–6.8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Hardness (dGH) | 1–10 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Origin | Asia or captive aquarium strains | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | easy | curated-v0 (needs expert review) · medium confidence |
| Activity | moderate | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | curated-v0 (needs expert review) · medium confidence |
| Temperament | peaceful | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 8 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 2–4 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 6 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 40 | curated-v0 (needs expert review) · medium confidence |