Least Killifish

Heterandria formosa

Gallons Per Fish:

1 gallons (4 liters)

Minimum Tank Size:

5 gallons (19 liters)

Maximum Fish Size:

1.5in (5cm)

Aggressive:

Eats other fish:

Temperature Range:

67-80°F (19.4-26.7°C)

pH Range:

6.8-8.2

Hardness Range:

5-30°

Tank Region:

All Regions

Life Span:

3 years

Family:

Poeciliidae

Classification:

Livebearers

All Common Names:

Formosa Livebearer, Least Killifish, Dwarf Top Minnow, Dwarf Livebearer

All Scientific Names:

Heterandria formosa

This species is found in 0.4% of fish tank plans on tankplanner.com