Red dwarf rasbora
Microrasbora rubescens
- Tank length
- 18 cm7 in
- Group
- 8+
- Temperature
- 23–28 °C73–82 °F
- pH
- 6.5–7.5
- Adult size
- 3 cm1 in
- Lifespan
- 3–5 yrs
From a cool, hard-water lake; avoid warm soft-water setups and keep a large group for confident behaviour.From a cool, hard-water lake; avoid warm soft-water setups and keep a large group for confident behaviour.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- African clawed frog
African clawed frog may eat Red dwarf rasboraAfrican clawed frog may eat Red dwarf rasbora
- Brevis shell dweller
No shared pH rangeNo shared pH range
- Caudopunctatus
No shared pH rangeNo shared pH range
- Multies
No shared pH rangeNo shared pH range
- Pindani
No shared pH rangeNo shared pH range
- Rusty cichlid
No shared pH rangeNo shared pH range
- Saulosi cichlid
No shared pH rangeNo shared pH range
- Similis shell dweller
No shared pH rangeNo shared pH range
- Abei puffer
Abei puffer may eat Red dwarf rasboraAbei puffer may eat Red dwarf rasbora
- Afra cichlid
No shared pH rangeNo shared pH range
- African butterflyfish
African butterflyfish may eat Red dwarf rasboraAfrican butterflyfish may eat Red dwarf rasbora
Data used by the planner
| Temperature | 23–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 6.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Lake Inle, Myanmar | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | moderate | curated-v0 (needs expert review) · medium confidence |
| Activity | active | 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) | 3–5 | 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 |