Overview
The Congo Tetra is a vibrant and active fish that thrives in a well-maintained freshwater aquarium. With its striking coloration and peaceful nature, it's a great addition to any community tank. This species is best kept in groups and requires a spacious tank with plenty of swimming space. They are known for their playful nature and can be seen darting around the tank. Providing hiding spots and a varied diet is crucial for their well-being.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Alestidae |
| Genus | Phenacogrammus |
| Species | Phenacogrammus interruptus |
| Water type | freshwater |
| Native range | Afrotropical |
Natural Habitat
Native to the Upper Congo River in Africa, the Congo Tetra inhabits slow-moving waters with dense vegetation.
Appearance
Congo Tetras have a sleek, slender body with vertical stripes along the sides and a vibrant red belly. They grow to about 4-5 cm in length.
Behavior
These fish are known to be active and curious, often darting around the tank. They are peaceful and can be kept with a variety of fish species, but it's important to ensure that tankmates are compatible.
| Trait | Value |
|---|---|
| Temperament | active community fish |
| Schooling | Yes |
| Activity level | high |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 6–7 | Avoid sudden swings |
| Hardness (GH) | 2-10 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 | 20L (5 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- They are known for their bright red belly, which can be a good indicator of their health.
- Congo Tetras are known to be very active and can be entertaining to watch.
- Males can be distinguished from females by their more colorful and slender bodies.
📋 Full Care Guide
Ready to set up a tank for your Congo Tetra? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Congo Tetra 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.