Overview
The Sterba's Cory (Corydoras sterbai) is a freshwater fish belonging to the family Callichthyidae. It thrives at temperatures of 25–30 °C with a pH of 6.0–7.5, and requires a minimum tank volume of 80 litres. Known for its peaceful bottom-dwelling community fish, it is considered a beginner-level species. One of the few corydoras that thrives at the high temperatures needed by Discus. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Callichthyidae |
| Genus | Corydoras |
| Species | Corydoras sterbai |
| Water type | freshwater |
| Native range | Neotropical |
Natural Habitat
Corydoras sterbai originates from Neotropical. It inhabits freshwater environments and is adapted to the water conditions found in its native range.
Appearance
Adults reach 6–7 cm in length. The body is freshwater and the species displays characteristic coloration suited to its environment.
Behavior
This species is described as a peaceful bottom-dwelling community fish. It naturally schools and should be kept in groups of 6 or more. Activity level is moderate. One of the few corydoras that thrives at the high temperatures needed by Discus.
| Trait | Value |
|---|---|
| Temperament | peaceful bottom-dwelling community fish |
| Schooling | Yes |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 25–30°C (77–86°F) | Use a reliable adjustable heater |
| pH | 6–7.5 | Avoid sudden swings |
| Hardness (GH) | 2–15 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <15 ppm | Manage through regular partial water changes |
| Min. tank | 80L (21 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Sterba's Cory is distinguished by its orange pectoral fins and spotted head pattern.
- Like all corydoras, Sterba's have two rows of bony plates (scutes) along each side of the body.
- Native to the upper Rio Guaporé on the Brazil–Bolivia border.
📋 Full Care Guide
Ready to set up a tank for your Sterba's Cory? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Sterba's Cory 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.