Compatibility Overview
Guppy and Tiger Barb can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 40 gallons), dense planting, and close monitoring are essential.
| Factor | Guppy | Tiger Barb | Verdict |
|---|---|---|---|
| Temperature | 72–82°F | 68–79°F | ✅ 72–79°F |
| pH Range | 6.8–8.5 | 6.0–8.0 | ✅ 6.8–8.0 |
| Temperament | peaceful | semi | ⚠️ Monitor |
| Adult Size | 2.5 in | 2.75 in | ✅ Similar |
| Min. Group | 3+ | 6+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Guppy — Poecilia reticulata
Hardy and colourful livebearers. Males' long flowing tails make them targets for fin-nipping species. Very prolific breeders.
Tiger Barb — Puntigrus tetrazona
Striking striped barbs that are notorious fin-nippers. Must be kept in groups of 6+ to redirect aggression within the school. Incompatible with long-finned fish.
Frequently Asked Questions
Can Guppy live with Tiger Barb?
With significant caution and a larger tank. Guppy and Tiger Barb can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 40 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Guppy and Tiger Barb together?
A minimum of 40 gallons is recommended for keeping Guppy and Tiger Barb together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Guppy and Tiger Barb?
72–79°F
Is a Guppy aggressive toward a Tiger Barb?
Guppy is peaceful and Tiger Barb is semi. Minor aggression possible from the semi-aggressive species; provide hiding spots.