Tanganyika Killifish
Cyprinodontiformes sp.
Tanganyika Killifish (Cyprinodontiformes sp.) — Easy care, Semi-aggressive, under Livebearer & Killifish. Minimum tank in the app: 40 US gal min; aim for 73–77°F and pH 6.8–8.2. The Tanganyika Killifish appeals to aquarists seeking a lively, interactive species that thrives in groups.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Americas / Africa (varies)
- Africa
- South America
- Central America & Mexico
Regional colours match the stocking calculator’s origin map.
Tanganyika Killifish Tank Setup
Aim for a tank with ample vertical space to accommodate their top and mid-level swimming. Incorporate plants and driftwood to create visual barriers and resting spots, while maintaining open swimming lanes. A gentle water flow mimics their natural habitat and helps in establishing a balanced ecosystem.
What Do Tanganyika Killifishs Eat?
Being omnivorous, they thrive on a varied diet, but feeding speed can lead to competition if not properly spaced out. Ensuring a balanced diet can enhance their coloration and overall health, particularly if high-quality flake or frozen foods are included in their regimen.
Tanganyika Killifish Tank Mates
Best suited with similarly sized, non-aggressive species that occupy different swimming zones. Avoid overly territorial fish that could stress them. Within their own species, maintaining a larger group minimizes aggression, though hierarchies can still lead to skirmishes if not managed properly.
Are Tanganyika Killifishs Good for Beginners?
In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the need for group dynamics, leading to aggressive displays and stress when kept in smaller numbers. neglecting water parameters can lead to health issues, as they require specific pH and temperature ranges to thrive.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




