Pygmy Corydoras and Severum Cichlid Compatibility Overview
Pygmy Corydoras and Severum Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Pygmy Corydoras | Severum Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72โ79ยฐF | 72โ84ยฐF | โ 72โ79ยฐF |
| pH Range | 6.0โ7.5 | 5.5โ7.0 | โ 6.0โ7.0 |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 1 in | 11.8 in | โ 12ร difference |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Pygmy Corydoras โ Corydoras pygmaeus
Tiny armoured catfish that school in open water as well as on the substrate. Peaceful with all non-aggressive species.
โ Full Pygmy Corydoras care guide
Severum Cichlid โ Heros efasciatus
The Severum Cichlid, known for its vibrant colors and peaceful nature, is a popular choice for freshwater aquariums. They have a lifespan of around 5 years and require a minimum tank size of 80 liters. These fish are not schooling fish but are known to be gentle and compatible with a variety of tank mates.
Frequently Asked Questions
Can Pygmy Corydoras live with Severum Cichlid?
Generally not recommended. Pygmy Corydoras and Severum Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Pygmy Corydoras and Severum Cichlid together?
A minimum of 100 gallons is recommended for keeping Pygmy Corydoras and Severum Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pygmy Corydoras and Severum Cichlid?
72โ79ยฐF โ inside Pygmy Corydoras's 72โ79ยฐF and Severum Cichlid's 72โ84ยฐF.
Is a Pygmy Corydoras aggressive toward a Severum Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Pygmy Corydoras and Severum 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 | 220 gal | Best when keeping larger schools or reducing territorial pressure. |