Compatibility Overview
Three Spot Gourami and Yellow Tang are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
| Factor | Three Spot Gourami | Yellow Tang | Verdict |
|---|---|---|---|
| Temperature | 73–81°F | 73–81°F | ✅ 73–81°F |
| pH Range | 6.5–7.5 | 8.0–8.5 | ❌ No overlap |
| Temperament | aggressive | semi | ❌ Risk |
| Adult Size | 2.4 in | 2.4 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | — | |
✅ Compatibility Positives
❌ Incompatibility Reasons
Species Profiles
Three Spot Gourami — Aquarium species
The Three Spot Gourami is a peaceful and attractive addition to freshwater tanks. They are known for their vibrant coloration and peaceful demeanor. With their flowing tails and distinctive body spots, they add visual interest to the aquarium. Providing a well-planted tank with hiding spots is crucial for their well-being. As a beginner-friendly fish, they a
→ Full Three Spot Gourami care guide
Yellow Tang — Aquarium species
The Yellow Tang is a popular and vibrant fish suitable for beginners. With its bright yellow color and blue stripes, it adds a striking contrast to the aquarium. They are generally peaceful and can be kept in a community tank, though they may be nippy with certain tankmates. They require a well-maintained tank with plenty of swimming space and a varied diet.
Frequently Asked Questions
Can Three Spot Gourami live with Yellow Tang?
Generally not recommended. Three Spot Gourami and Yellow Tang are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
What tank size do I need for Three Spot Gourami and Yellow Tang together?
A minimum of 20 gallons is recommended for keeping Three Spot Gourami and Yellow Tang together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Three Spot Gourami and Yellow Tang?
73–81°F
Is a Three Spot Gourami aggressive toward a Yellow Tang?
Three Spot Gourami is aggressive and Yellow Tang is semi. These animals require different water types and cannot share one aquarium.
Related Compatibility Guides
Compatibility score breakdown
The overall score is weighted across water chemistry, behavior, adult size, swimming zone, and social needs. A score is a planning aid—not a guarantee for individual fish.
| Factor | Score |
|---|---|
| Temperature | 100/100 |
| Ph | 0/100 |
| Temperament | 25/100 |
| Adult Size | 100/100 |
| Swim Zone | 68/100 |
| Social Needs | 92/100 |
Tank size scenarios
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 26 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 40 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |