Dwarf Gourami and Goldfish Compatibility Overview
Short answer: No. Dwarf Gourami needs 72-82°F and Goldfish needs 50-74°F. Keep them in separate tanks, or pick one of the safer tank mates listed below.
Dwarf Gourami and Goldfish are generally not recommended to be housed together. Goldfish is a cool-water fish and Dwarf Gourami is tropical, so the usable temperature range decides this pairing. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Dwarf Gourami | Goldfish | Verdict |
|---|---|---|---|
| Temperature | 72–82°F | 50–74°F | ⚠️ 72–74°F (narrow) |
| pH Range | 6.0–7.5 | 6.5–8.0 | ✅ 6.5–7.5 |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 3.5 in | 12 in | ⚠️ 3.4× difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | — | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Dwarf Gourami — Trichogaster lalius
Colourful labyrinth fish that is generally peaceful but can be territorial toward similar species. Susceptible to Dwarf Gourami Iridovirus.
→ Full Dwarf Gourami care guide
Goldfish — Carassius auratus
Classic pond and aquarium fish that prefer cool water. Heavy waste producers that require robust filtration. Will eat small fish and shrimp.
Frequently Asked Questions
Can Dwarf Gourami live with Goldfish?
Generally not recommended. Dwarf Gourami and Goldfish are generally not recommended to be housed together. Goldfish is a cool-water fish and Dwarf Gourami is tropical, so the usable temperature range decides this pairing. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Dwarf Gourami and Goldfish together?
A minimum of 100 gallons is recommended for keeping Dwarf Gourami and Goldfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Dwarf Gourami and Goldfish?
72–74°F (narrow) — inside Dwarf Gourami's 72–82°F and Goldfish's 50–74°F.
Is a Dwarf Gourami aggressive toward a Goldfish?
The adult size gap creates a meaningful predation risk.
Safer Tank Mates for Dwarf Gourami and Goldfish
The highest-scoring compatible partners for each species in our compatibility data.
For Dwarf Gourami
- Dwarf Chain Loach — 92/100
- Panda Cory — 92/100
- Pearl Danio — 92/100
- Peppered Cory — 92/100
- Sterbai Cory — 92/100
For Goldfish
- Weather Loach — 98/100
- Bristlenose Pleco — 87/100
- Denison Barb — 87/100
- Koi — 86/100
- Swordtail — 79/100
Related Compatibility Guides
Tank Size for Dwarf Gourami and Goldfish
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 180 gal | Best when keeping larger schools or reducing territorial pressure. |