Peaceful
Easy
Schooling
Least Killifish
Heterandria formosa
Minimum Tank
5 Gallons
Adult Size
1 inches
Temperature
66-75°F (19-24°C)
pH Range
7.0-8.0
Lifespan
3 years
School Size
8+ fish
About Least Killifish
One of smallest livebearer fish. Native to southeastern US.
Care Requirements
Tank Setup
- • Minimum 5-gallon tank required
- • Temperature: 66-75°F (19-24°C)
- • pH: 7.0 - 8.0
- • Category: Killifish
Diet & Feeding
- • Diet type: Omnivore
- • Feed 1-2 times daily
- • Varied diet recommended
Tank Mate Compatibility
Compatible With
🐟
Shrimp
🐟
Small Snails
🐟
Other Micro Fish
Avoid Keeping With
⚠️
Any Larger Fish
Not compatible
Care Tips
Expert Tips
Actually a livebearer not killifish, breeds readily, nano tank.
Quick Facts
19L
Min Tank (5gal)
3cm
Adult Size (1")
3yr
Lifespan
8+
Min School
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