Family: Osphronemidae
White-edged Betta — a Osphronemidae from Southeast Asia, mostly peaceful; slow, deliberate movers that dislike chaos. Reaches 4.5–6.6 cm; a pair bonds loosely; keep décor between rivals. 24–28 °C.
Betta albimarginata, a member of the family Osphronemidae, comes from Southeast Asia, where it inhabits still waters, rice paddies and slow streams. Mostly peaceful; slow, deliberate movers that dislike chaos and omnivore; flakes, small pellets and frozen foods, 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.
Difficulty: moderate. Mostly peaceful; slow, deliberate movers that dislike chaos. A pair bonds loosely; keep décor between rivals.
Aim for 24–28 °C. Heater required; stable warmth; 24.0–28.0 °C typical for the genus.
Adults reach 4.5–6.6 cm; it is upper; surface-oriented. Plan for at least 52 litres.
Omnivore; flakes, small pellets and frozen foods. Vary the menu — quality flakes or pellets plus frozen or live foods.
Mostly peaceful; slow, deliberate movers that dislike chaos; a pair bonds loosely; keep décor between rivals. Good company: Other calm labyrinth fish — Share the slow lane. Keep away from Fin-nippers like tiger barbs — Torn fins and endless stress.
Comes from Southeast Asia: still waters, rice paddies and slow streams. Expect still to very gentle water and tolerates low oxygen; labyrinth breather.
It can jump when startled — keep the tank tightly covered, especially at night and during maintenance.
Surface bubble-nester with dedicated male guarding. Males larger with longer fins.