Rosy Barb and Tiger Barb Compatibility
Rosy Barb and Tiger Barb carry a clear risk: temperature ranges overlap at 68–77°F, yet temperament or size differences mean close supervision is essential. Plan on at least 30 gallons. Individual fish vary — observe behaviour during introduction.
Rosy Barb vs Tiger Barb at a glance
| Aspect | Rosy Barb | Tiger Barb |
|---|---|---|
| Adult size | ~4 in | ~3 in |
| Minimum tank | 30 gal | 20 gal |
| Temperature | 65–77°F | 68–79°F |
| pH | 6–7.5 | 6–7.5 |
| Temperament | peaceful | semi-aggressive |
| Swimming zone | middle | middle |
| Group size | 6+ | 6+ |
| Care level | easy | easy |
Overlap in temperature: 68–77°F. Overlap in pH: 6–7.5.
Why this verdict
- Temperature: Shared range of 68–77°F.
- Water parameters: Shared pH range of 6–7.5.
- Temperament: Tiger Barb can be territorial; provide plants, sight breaks, and space.
- Adult size: Comparable adult sizes (~4" and ~3").
- Swimming zone: Both are middle-dwelling, but peaceful — sharing the layer is fine with cover.
- Schooling: Group sizes matter: Rosy Barb: keep at least 6; Tiger Barb: keep at least 6.
- Tank size: Plan for at least 30 gallons to satisfy both species.
Main risks
- Occasional chasing or fin nipping is possible.
Recommended tank
Plan on 30 gallons or larger for this pair. Suitable sizes: 30 gallon, 40 gallon Breeder, 40 gallon Long.
Group sizes: Rosy Barb: keep at least 6; Tiger Barb: keep at least 6.
Sources
- FishBase — Scientific Database · Primary / scientific · https://www.fishbase.se/
- SeriouslyFish — Specialist Publication · High authority · https://www.seriouslyfish.com/
- Aquarium Forge editorial guidelines — Editorial Interpretation · Editorial interpretation
- FishBase — Scientific Database · Primary / scientific · https://www.fishbase.se/
- SeriouslyFish — Specialist Publication · High authority · https://www.seriouslyfish.com/
- Aquarium Forge editorial guidelines — Editorial Interpretation · Editorial interpretation
- Aquarium Forge editorial guidelines — Editorial Interpretation · Editorial interpretation
Compatibility verdicts are planning guidance, not guarantees — individual fish vary. Rule version 1.1 · Data reviewed: .
Frequently asked questions
Can Rosy Barb and Tiger Barb live together?
Our verdict is “Risky”. Rosy Barb and Tiger Barb carry a clear risk: temperature ranges overlap at 68–77°F, yet temperament or size differences mean close supervision is essential. Plan on at least 30 gallons. Individual fish vary — observe behaviour during introduction.
What tank size do Rosy Barb and Tiger Barb need?
Plan for at least 30 gallons so both species have their minimum space — Rosy Barb needs 30+ gal and Tiger Barb needs 20+ gal. Adding length and cover reduces stress further.
What temperature do Rosy Barb and Tiger Barb share?
Their comfortable ranges overlap at 68–77°F. Hold the tank near the middle of that band and avoid the extremes of either species' range.
What are the main risks keeping Rosy Barb with Tiger Barb?
Occasional chasing or fin nipping is possible.
How many Rosy Barb and Tiger Barb should I keep?
Rosy Barb: keep at least 6; Tiger Barb: keep at least 6. Group sizes matter for shoaling fish — too few and they become stressed and nippy.
Canonical https://aquariumforge.com/compatibility/rosy-barb/tiger-barb/