Goldfish and Keyhole Cichlid Compatibility Overview
Goldfish and Keyhole Cichlid can potentially coexist, but the combination requires careful attention. Goldfish is a cool-water fish and Keyhole Cichlid is tropical, so the usable temperature range decides this pairing. Their preferred temperature ranges have little safe overlap. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.
| Factor | Goldfish | Keyhole Cichlid | Verdict |
|---|---|---|---|
| Temperature | 50โ74ยฐF | 70โ82ยฐF | โ 70โ74ยฐF |
| pH Range | 6.5โ8.0 | 4.0โ7.5 | โ 6.5โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 12 in | 4.3 in | โ ๏ธ 2.8ร difference |
| Min. Group | 1+ | 2+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Goldfish โ Carassius auratus
Classic pond and aquarium fish that prefer cool water. Heavy waste producers that require robust filtration. Will eat small fish and shrimp.
Keyhole Cichlid โ Cleithracara maronii
The Keyhole Cichlid is a popular choice for beginners due to its relatively easy care and peaceful temperament. These fish are known for their distinct keyhole marking and vibrant coloration. They do well in a community tank with other peaceful species, but should be provided with plenty of hiding spots to feel secure.
Frequently Asked Questions
Can Goldfish live with Keyhole Cichlid?
With significant caution and a larger tank. Goldfish and Keyhole Cichlid can potentially coexist, but the combination requires careful attention. Goldfish is a cool-water fish and Keyhole Cichlid is tropical, so the usable temperature range decides this pairing. Their preferred temperature ranges have little safe overlap. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Goldfish and Keyhole Cichlid together?
A minimum of 100 gallons is recommended for keeping Goldfish and Keyhole Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Goldfish and Keyhole Cichlid?
70โ74ยฐF โ inside Goldfish's 50โ74ยฐF and Keyhole Cichlid's 70โ82ยฐF.
Is a Goldfish aggressive toward a Keyhole Cichlid?
Goldfish is peaceful and Keyhole Cichlid is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Goldfish and Keyhole Cichlid
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. |