Least killifish

Heterandria formosa

FishFreshwater

Care level

Easy

Temperament

Peaceful

Minimum tank

20 L

Maximum size

2 cm

Temperature

18–26 °C

pH

6.5–8

Group size

≥ 6

Diet

Omnivore

Values are mainstream hobbyist guidance, not gospel — always watch what your own animals need.

In the BlubHub app you link your inhabitants to this database and see the care info next to your own water parameters.