I LOVE THAT FISH 24 fish indexed

Nano tank

Comfortable in 40 litres or less as a proper group.

Betta

Betta splendens

Celestial pearl danio

Danio margaritatus

Guppy

Poecilia reticulata

Otocinclus

Otocinclus vittatus

Platy

Xiphophorus maculatus
Related: Tetras & schoolersCichlidsLivebearers