Compatibility Overview
African Butterfly Fish and Lionfish 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 | African Butterfly Fish | Lionfish | Verdict |
|---|---|---|---|
| Temperature | 72–79°F | 72–82°F | ✅ 72–79°F |
| pH Range | 6.0–7.5 | 8.1–8.4 | ❌ No overlap |
| Temperament | semi | aggressive | ❌ Risk |
| Adult Size | 2.4 in | 3.1 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 29 gallons (for both species) | — | |
✅ Compatibility Positives
❌ Incompatibility Reasons
Species Profiles
African Butterfly Fish — Aquarium species
The African Butterfly Fish is a popular freshwater species known for its striking appearance and peaceful demeanor. It requires a well-maintained tank with plenty of swimming space and hiding spots. With a moderate activity level, it is suitable for beginners and can be kept in a community tank with compatible species. Regular water changes and a balanced di
→ Full African Butterfly Fish care guide
Lionfish — Aquarium species
Lionfish are popular saltwater aquarium fish known for their striking colors and intimidating spines. These fish require a large tank and careful attention to water parameters. Aggressive by nature, they can be harmful to smaller fish and invertebrates.
Frequently Asked Questions
Can African Butterfly Fish live with Lionfish?
Generally not recommended. African Butterfly Fish and Lionfish 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 African Butterfly Fish and Lionfish together?
A minimum of 29 gallons is recommended for keeping African Butterfly Fish and Lionfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both African Butterfly Fish and Lionfish?
72–79°F
Is a African Butterfly Fish aggressive toward a Lionfish?
African Butterfly Fish is semi and Lionfish is aggressive. 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 | 92/100 |
| 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 | 264 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 400 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 500 gal | Best when keeping larger schools or reducing territorial pressure. |