Betta persephone has a limited distribution in Malaysia, the
type locality being Ayer Hitam in Johor. This
Betta species inhabits soft, acidic waters at temperatures of 23‒28 °C (73‒82 °F). The typical habitat is closed-canopy forest where it is dark on the forest floor and there is thick vegetation on the banks of the blackwater streams and peat swamps where this fish lives among submerged tree roots. Sometimes it may be forced to live temporarily among the wet leaf litter in periods when the peaty pools dry up. ==Ecology==