African Knifefish
Xenomystus nigri
Water Parameters
About
The only knifefish of the Notopteridae family native to Africa. Smaller and more manageable than its Asian congeners. Uniform dark brown body. No dorsal fin. Swims with anal fin undulation.
Behavior & Temperament
Relatively peaceful nocturnal knife fish for the group. May be territorial with conspecifics. Shy during the day, active at night.
Feeding
Carnivore/Omnivore - bloodworms, brine shrimp, shrimp, krill, aquatic insects. May accept carnivore pellets. Feed at night.
Breeding
Spawns on flat surfaces. Male guards the eggs. Breeding possible in large aquariums with appropriate conditions.
Care Notes
Mandatory hiding spots (driftwood, tubes). Low lighting. Secure lid (they jump). Soft substrate. Gentle current. Floating plants for shading.
Compatibility
Relatively peaceful with fish of similar size. May eat very small fish. Avoid other knifefish. Good with peaceful African cichlids and catfish.
Quick Summary
| Scientific Name | Xenomystus nigri |
|---|---|
| Family | Notopteridae |
| Category | Fish |
| Care Level | Intermediate |
| Water Type | Freshwater |
| Max Size | 30.0 cm (11.8") |
| Min Tank | 200 L (53 gal) |
| Min Group | 1+ |
| Diet | Carnivore/Omnivore - bloodworms, brine shrimp, shrimp, krill, aquatic insects. May accept carnivore pellets. Feed at night. |
| Temperament | Relatively peaceful nocturnal knife fish for the group. May be territorial with conspecifics. Shy during the day, active at night. |
Track this species in your aquarium
Create a free account to add African Knifefish to your tank and get personalized care tips.
Create Free Account