Rosy barb
Pethia conchonius
Photo: Usien · CC0
- Tank length
- 90 cm35 in
- Group
- 6+
- Temperature
- 18–25 °C64–77 °F
- pH
- 6–8
- Adult size
- 8 cm3 in
- Lifespan
- 5–10 yrs
Cooler water and robust companions are preferable.Cooler water and robust companions are preferable.
Tank sizes
Good tankmates
Avoid with
BettaRosy barb may nip the long fins of BettaRosy barb may nip the long fins of Betta
- Blue lyretail
Rosy barb may nip Blue lyretailRosy barb may nip Blue lyretail
Congo tetraRosy barb may nip Congo tetraRosy barb may nip Congo tetra
- Featherfin squeaker
Rosy barb may nip Featherfin squeakerRosy barb may nip Featherfin squeaker
- Filament barb
Rosy barb may nip Filament barbRosy barb may nip Filament barb
- Guppy
Rosy barb may nip GuppyRosy barb may nip Guppy
- Irian Jaya rainbowfish
No shared temperature rangeNo shared temperature range
- Parkinson's rainbowfish
No shared temperature rangeNo shared temperature range
Pearl gouramiRosy barb may nip Pearl gouramiRosy barb may nip Pearl gourami
- Rusty cichlid
No shared temperature rangeNo shared temperature range
Threadfin rainbowfishRosy barb may nip Threadfin rainbowfishRosy barb may nip Threadfin rainbowfish
- African pike
African pike may eat Rosy barbAfrican pike may eat Rosy barb
Data used by the planner
| Temperature | 18–25 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 5–15 | 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 | 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 | semi aggressive | curated-v0 (needs expert review) · medium confidence |
| Nips fins | Yes | 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 | 6 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 5–10 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 12 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 90 | curated-v0 (needs expert review) · medium confidence |