Killifish
Various Aphyosemion, Nothobranchius species
KillifishIntermediate
Species Details
Small, often spectacularly coloured fish that are popular with enthusiasts, though many require specific care conditions.
Intermediate Care Level
Basic Information
Size3-10 cm (1-4 inches)
TemperamentPeaceful/Semi-aggressive
DietCarnivorous
Lifespan1-5 years
Tank Size38+ litres (10+ gallons)
Water Parameters
Temperature
20-26°C (68-79°F)pH Level
6.0-7.0Hardness
2-10 dGHTank Mate Recommendations
Based on 1 selected species
Current Selection:
Killifish
No fully compatible species found for this combination
Try the Caution tab for species that might work with careful planning
Quick Facts
Small, often brilliantly coloured fish
Some are annual species with short lifespans
Males much more colourful than females
Many prefer soft, acidic water conditions
Carnivorous with preference for live foods
Can be territorial, especially during breeding
Lifespan varies greatly by species
Many are excellent jumpers
Some species are quite hardy
Popular with specialist enthusiasts
Compatibility Summary
Care Requirements
Tank Size38+ litres (10+ gallons)
Temperature20-26°C (68-79°F)
pH6.0-7.0
Hardness2-10 dGH