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Hetrandria formosa Least Concern

Least Killifish

Stats

Family

Poeciilidae

Genus

Heterandria

Size

0.64 cm

The smallest live-bearing species and overall a tiny fish, females are larger than males.

Temperament

Peaceful, Species-only

Peaceful and can live in a nanofish community, but they are very small

Diet

Omnivore

Tank Size

18.93 L

Temperature

18.3 C - 25.6 C

Parameters

They are a very hardy species that can tolerate lightly brackish and freshwater conditions. Mine were not very shy when I had them, and always ready for their next feeding.

Level

Mid

Other Information

Breeding

Spawning Method

Other

live-bearing species

Spawn Size

4 fry

Breeding Season or Trigger

n/a

Fry Care

"In addition, the egg yolks of the species are nutritionally poor, and the developing fry derive much of their nourishment via organs that function in a similar way to the placenta of mammals."
https://www.seriouslyfish.com/species/heterandria-formosa/
Fry will generally accept frozen or flake food though definitely prefer live foods such as microworms.

Locations