Overview
The Synodontis nigriventris, also known as the Upside Down Catfish, is a popular freshwater species that makes a great addition to community tanks. It is known for its black coloration and silver belly, with a distinctive spotted pattern. With a moderate activity level and a peaceful temperament, it is suitable for beginners and can coexist with other peaceful fish. Providing a well-oxygenated tank and maintaining good water quality is essential for their health.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Mochokidae |
| Genus | Synodontis |
| Species | Synodontis nigriventris |
| Water type | freshwater |
Natural Habitat
Native to the West African rivers and streams, the Synodontis nigriventris thrives in slow-moving waters with plenty of hiding spots.
Appearance
The fish has a robust, oval body with a flat belly, reaching up to 7 cm in length. It is easily recognizable by its black coloration and silver belly, which is why it is called the Upside Down Catfish.
Behavior
This species is generally docile and can be kept in a community tank with other peaceful fish. It is not a schooling fish and prefers to have hiding spots to rest and feed.
| Trait | Value |
|---|---|
| Temperament | Peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–28°C (72–82°F) | Use a reliable adjustable heater |
| pH | 6–7.5 | 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 | 100L (26 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Can reach sexual maturity at around 2 years of age
- Can be quite active during feeding times
- Native to the rivers of West Africa, including the Niger and Senegal rivers
📋 Full Care Guide
Ready to set up a tank for your Upside Down Catfish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Upside Down Catfish 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.