Neptune’s rating:
59- AffordabilityModerate
- Aggression LevelMostly Peaceful
- Breeding AggressionNo Change In Behaviour
- DifficultyModerate
- HardinessResilient
- Length8.0 - 15.0 cm
- Liters per Fish50 L
- Maintenance LevelLow Maintenance
- pH6.0 - 7.5
- PopularityUncommon
- RarityRare
- Minimum School Size6
- Tank HabitatSurface Dweller, Mid-tank Dweller, Bottom Dweller
- Temperature24.0 - 28.0 °C
- Territorial BehaviourMildly Territorial
Please note: These values are based on the average of various confirmed sources.
More about Upside-down catfish
The Upside-down catfish, distinguished by its unique habit of swimming upside down, is a fascinating species native to the river systems of Central Africa, particularly within the Congo Basin. Typically showcasing a muted color palette of browns and creams, this fish is adorned with a sleek, streamlined body and a flattened underside, making its upside-down swimming style efficient for surface feeding.
Part of the genus Synodontis, the Upside-down catfish reaches a modest size, making it a popular choice among aquarium enthusiasts. Its intriguing behavior and compatibility with a variety of tank mates have secured its reputation as a well-loved addition to the freshwater hobby. These fish thrive in environments that mimic their natural habitat, favoring densely vegetated tanks with plenty of submerged branches and logs. They often seek shelter and feed on the undersides of submerged branches, which supports their unique swimming style.
Though generally hardy, Upside-down catfish can be susceptible to swim bladder disease, a condition that affects their buoyancy and swimming ability. Providing a well-maintained environment with clean water and appropriate diet can help prevent this issue.
Did you know?
The Upside Down Catfish (Synodontis nigriventris) has a unique adaptation that allows it to swim and feed upside down. This behavior is not just a quirky trait; it enables the fish to graze on algae and insect larvae on the underside of leaves and submerged surfaces, giving it access to food sources that other fish might miss.
Frequently asked questions
Upside Down Catfish have a unique feeding behavior that allows them to graze on algae and insect larvae found on the underside of leaves and submerged surfaces. However, in an aquarium, you can’t rely solely on their natural feeding behavior, and supplementation is needed to ensure they get a balanced diet. They can be fed a varied diet that includes algae wafers, sinking pellets, and live or frozen foods such as bloodworms, brine shrimp, and daphnia. They also benefit from blanched vegetables like zucchini or cucumber and can occasionally consume flake food, though they prefer sinking options. This diverse diet ensures their nutritional needs are met and keeps them healthy and active.
Upside Down Catfish (Synodontis nigriventris) are compatible with various peaceful fish species. Suitable tank mates include Tetras like Neon and Cardinal Tetras, Gouramis such as Dwarf and Pearl Gouramis, Harlequin Rasboras, Corydoras catfish, livebearers like Guppies, Platies, and Mollies, other catfish species like Bristlenose Plecos, Cherry and Gold Barbs, and Zebra Danios. These species share similar water parameters and temperaments, making them good companions for Upside Down Catfish.
To care for an upside-down catfish, provide a well-maintained tank with plenty of hiding spots, moderate lighting, and efficient filtration. Feed them a varied diet of sinking pellets, live or frozen foods, and occasional vegetables. Regularly perform water changes and monitor their health for any signs of stress or illness. These peaceful fish thrive in groups and are suitable for community tanks with other non-aggressive species. Their unique behavior of swimming upside down makes them a fascinating addition to any aquarium.
No, catfish do not have scales. Instead, their bodies are covered with smooth, mucus-coated skin. Some catfish species have bony plates called scutes for protection. This lack of scales is one of the distinctive features of catfish.