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Upside-down catfish (Synodontis nigriventris)
Photo: en:User:Neale Monks · CC BY-SA 3.0 via Wikimedia Commons

Upside-down catfish

Synodontis nigriventris · Mochokidae

Also known as Synodontis nigriventris

Beginner

Swims inverted under leaves and wood; small, peaceful and nocturnal.

In short: An upside-down catfish needs at least 75 L (20 US gal), water at 23–28 °C (73–82 °F) and pH 6–7.8. It is peaceful, best kept in groups of 4 or more, and rated beginner to keep.

Minimum tank
75 L (20 US gal)
Temperature
23–28 °C (73–82 °F)
pH
6–7.8
Adult size
8 cm (3.1 in)
Group size
4+

Care requirements

Minimum tank volume
75 L (20 US gal)
Temperature
23–28 °C (73–82 °F)
pH
6–7.8
Hardness
4–18 dGH
Lifespan
5–8 years
Diet
Omnivore — sinking pellets, frozen bloodworm, tablets.
Care level
Beginner

Origin & habitat

Native region
Congo River basin
Water type
Freshwater
Biotope
Leafy, shaded backwaters
Natural conditions
Dim light, wood and broad leaves to hang under.

Behaviour & stocking

Temperament
Peaceful
Minimum group
4 fish
Swims
All levels
Good tank mates
Congo tetra
Kribensis
Rasboras
Avoid
Bright bare tanks
Aggressive cichlids

Breeding & difficulty

Breeding difficulty
Advanced
Sexing
Females are plumper.
Notes
Cave spawner; uncommon in aquaria.
Common ailments
Ich
Barbel damage
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