Malawi squeaker (Synodontis njassae) care guide

Group
Freshwater fish
Other names
Malawi spotted syno, Lake Malawi syno, Malawi synodontis
Family
Mochokidae (squeakers / upside-down catfishes)
Origin
Endemic to Lake Malawi (Malawi, Mozambique, Tanzania); rocky and sandy-muddy areas.
Water
freshwater
Maximum size
19 cm
Temperature
23–28°C
pH
7.6–8.4
Hardness
Hard, 20–30 dGH
Minimum tank
300 litres
Care level
intermediate
Temperament
semi_aggressive

Care

The Malawi squeaker is a fairly elongated Synodontis covered in dark spots, reaching about 19 cm SL. It hides among rocks by day and comes out at night. Despite being hardy, PlanetCatfish stresses clean, well-filtered water and rocky cover along the back and sides of the tank. A tank of about 300 litres suits an adult in a Malawi set-up (our estimate; the sources give no size). It needs hard, alkaline Lake Malawi water: PlanetCatfish gives 23–28 °C and pH 7.6–8.4; FishBase gives 20–30 dGH. Use a sandy floor and plenty of stable rockwork with caves. There are large-spotted and small-spotted forms. PlanetCatfish separates it from look-alikes such as S. ocellifer by its longer body, pale barbels and faintly spotted leading fin rays. Males have a ridged genital papilla; gravid females have an extended, sometimes reddish papilla. It is listed as Least Concern by the IUCN (2018). Most fish are wild-caught. Sources: PlanetCatfish (planetcatfish.com/common/species.php?speciesid=239); FishBase (fishbase.se/summary/Synodontis-njassae.html). Checked October 2026.

Diet

An omnivore that eats insects, crustaceans and other invertebrates in the wild. PlanetCatfish says it accepts vegetable-based and tablet foods and most commercial preparations; add frozen bloodworm, brine shrimp and mysis. Feed some food after lights out.

Breeding

No confirmed aquarium spawnings. In the lake it pairs up and spawns at night over sandy-muddy ground between about October and December (PlanetCatfish, FishBase). Unlike the cuckoo catfish (S. multipunctatus), it is not a brood parasite of mouthbrooding cichlids.

Compatibility and tank mates

A good catfish for a Lake Malawi cichlid tank: generally fine with mbuna and other semi-aggressive cichlids. PlanetCatfish advises against mixing it with other Synodontis unless the tank is large, as they squabble over caves. Avoid small fish it could eat at night.

Last updated 5 October 2026. Community-edited care guide on Aquatic-Auctions.

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