Care guide, husbandry, breeding, disease, and sourcing intelligence on Upside Down Catfish - written by the Fast Aquatics editorial team.
Upside Down Catfish at a glance
Adult size: 4 inches · Min tank/pond: 30 gallons · Difficulty: beginner · Diet: omnivore · Lifespan: 8-15 years.
Upside Down Catfish (Synodontis nigriventris) is a popular freshwater fish in the aquarium and pond hobby. Hardy and forgiving when given proper water chemistry.
Where Upside Down Catfish comes from
Upside Down Catfish (Synodontis nigriventris) is native to specific tropical and subtropical freshwater systems. Captive-bred specimens at most LFS come from generations of farmed stock and are generally hardier and more colorful than wild-caught equivalents.
Upside Down Catfish tank size and setup
Upside Down Catfish requires a minimum of 30 gallons for healthy adults. The minimum is based on 4 inches adult size and territorial range. Plan a tank sized for adult footprint, HOB or canister filter rated 4-6x volume, dechlorinated water, appropriate temperature heater, and stocking-appropriate hardscape.
Water parameters for Upside Down Catfish
Upside Down Catfish prefers freshwater parameters: temperature 74-80°F, pH 6.5-7.5, GH 4-12 dGH, KH 3-8 dKH, ammonia + nitrite 0 ppm, nitrate under 20 ppm. Use dechlorinator on every water change.
What Upside Down Catfish eats
Upside Down Catfish is a omnivore. Provide a varied diet of pellets, frozen foods, and supplemental greens. Feed twice daily in small portions. Browse our food guides for product recommendations.
Upside Down Catfish tankmates and compatibility
Upside Down Catfish works in community tanks with peaceful species in similar size class. Avoid mixing aggressive with passive species.
Upside Down Catfish adult size and lifespan
Upside Down Catfish reaches 4 inches at adulthood with a captive lifespan of 8-15 years with proper care.
Can you breed Upside Down Catfish?
Upside Down Catfish can be bred in dedicated breeding tanks with appropriate setup and water-chemistry triggers. Research the species-specific breeding requirements before attempting.
Common Upside Down Catfish diseases and problems
Upside Down Catfish is susceptible to standard freshwater diseases (ich, columnaris, fin rot, bacterial infections). Quarantine new Upside Down Catfish for 4 weeks before adding to display.
Where to buy Upside Down Catfish online
Upside Down Catfish is sold at LFS, online retailers, and direct from breeders. Browse live Upside Down Catfish from vetted Fast Aquatics vendors with carrier-tracked overnight shipping, climate-aware hold logic, and a 4-hour DOA window with photo-evidence claims.
Related freshwater species you might also keep
Other species in the same category with care profiles on Fast Aquatics. Click any name for the full husbandry breakdown.
Upside Down Catfish taxonomy and care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.