Overview
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. With proper care, they can live for several years.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Cichlidae |
| Genus | Cleithracara |
| Species | Cleithracara maronii |
| Water type | freshwater |
Natural Habitat
Native to the Amazon River basin in Brazil, these cichlids inhabit slow-moving waters with dense vegetation.
Appearance
They have a tall, laterally compressed body, with an orange-red coloration and a prominent black keyhole marking on the gill cover.
Behavior
While they are generally peaceful, Keyhole Cichlids can be shy in new environments and may take some time to adjust. They do not form schools and are best kept in pairs or small groups.
| Trait | Value |
|---|---|
| Temperament | Peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 7–8 | Avoid sudden swings |
| Hardness (GH) | 5-15 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 75L (20 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- They are known for their unique keyhole marking on the gill cover.
- They are a popular choice for beginners in the hobby due to their hardiness and ease of care.
- They can be quite active during feeding times, making them enjoyable to watch.
📋 Full Care Guide
Ready to set up a tank for your Keyhole Cichlid? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Keyhole Cichlid Care Guide →Related Species
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.