Discus and Serpae Tetra Compatibility Overview
Discus and Serpae Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 82โ82ยฐF, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Discus | Serpae Tetra | Verdict |
|---|---|---|---|
| Temperature | 82โ88ยฐF | 68โ82ยฐF | โ ๏ธ 82โ82ยฐF (narrow) |
| pH Range | 5.0โ7.0 | 5.0โ7.5 | โ 5.0โ7.0 |
| Temperament | semi | semi | โ ๏ธ Monitor |
| Adult Size | 8 in | 1.6 in | โ 5ร difference |
| Min. Group | 5+ | 10+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Discus โ Symphysodon spp.
The 'king of the aquarium' โ beautiful but demanding. Requires very warm, soft, acidic water that excludes most community fish.
Serpae Tetra โ Hyphessobrycon eques
The Serpae Tetra is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks and can be a great addition to any aquarium. With its moderate activity level and easy care requirements, it is a suitable choice for beginners and experienced aquarists alike.
Frequently Asked Questions
Can Discus live with Serpae Tetra?
Generally not recommended. Discus and Serpae Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 82โ82ยฐF, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Discus and Serpae Tetra together?
A minimum of 100 gallons is recommended for keeping Discus and Serpae Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Discus and Serpae Tetra?
82โ82ยฐF (narrow) โ inside Discus's 82โ88ยฐF and Serpae Tetra's 68โ82ยฐF.
Is a Discus aggressive toward a Serpae Tetra?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Discus and Serpae Tetra
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 | 220 gal | Best when keeping larger schools or reducing territorial pressure. |