Family: Osphronemidae
Green Plakad — a Osphronemidae from Southeast Asia, calm labyrinth fish; boisterous tankmates stress it. Reaches 4.5–6.6 cm; singly or in pairs; every gourami wants its corner. 24–28 °C.
Betta mahachaiensis, a member of the family Osphronemidae, comes from Southeast Asia, where it inhabits still waters, rice paddies and slow streams. Calm labyrinth fish; boisterous tankmates stress it and surface-feeding omnivore that savours variety, it grows to 4.5–6.6 cm and adapts well to a properly set-up aquarium in the 24–28 °C range. Other Betta species in our database include Betta imbellis, Betta smaragdina, Betta splendens.
Intermediate difficulty. Calm labyrinth fish; boisterous tankmates stress it; singly or in pairs; every gourami wants its corner.
Aim for 24–28 °C. Heater required; stable warmth; 24.0–28.0 °C typical for the genus.
Expect 4.5–6.6 cm as an adult, living upper; surface-oriented. A 52 L tank or larger gives it room.
Surface-feeding omnivore that savours variety. It forages naturally over soft sand with leaf litter, so let some food reach the bottom.
Calm labyrinth fish; boisterous tankmates stress it. Recommended tankmates: Other calm labyrinth fish — Share the slow lane. Avoid Fin-nippers like tiger barbs — Torn fins and endless stress.
Its home waters are Southeast Asia — still waters, rice paddies and slow streams, with still to very gentle water.
A confirmed jumper: fit a tight lid and lower the waterline slightly.
Bubble-nest builder; the male tends eggs and fry. Males larger with longer fins.