Family: Osphronemidae
Deissner's Licorice Gourami — a Osphronemidae from Borneo & the Malay Peninsula, mostly peaceful; slow, deliberate movers that dislike chaos. Reaches 2.8–4.1 cm; a pair bonds loosely; keep décor between rivals. 25–27 °C.
Parosphromenus deissneri is a Osphronemidae from Borneo & the Malay Peninsula. In the wild it prefers still waters, rice paddies and slow streams; in the aquarium it stays mostly peaceful. Plan on 2.8–4.1 cm of adult fish at 25–27 °C. Related profiles: Parosphromenus paludicola.
Difficulty: moderate. Mostly peaceful; slow, deliberate movers that dislike chaos. A pair bonds loosely; keep décor between rivals.
Set the heater to 25–27 °C and avoid swings. pH 6–8, GH 5–19 dGH suit it.
Adults reach 2.8–4.1 cm; it is upper; surface-oriented. Plan for at least 25 litres.
Omnivore; flakes, small pellets and frozen foods. Feed two small meals a day rather than one large one.
Mostly peaceful; slow, deliberate movers that dislike chaos; a pair bonds loosely; keep décor between rivals. Good company: Peaceful mid-water schoolers — Add motion without menace. Keep away from Fast, aggressive feeders — Starve it out at every meal.
Comes from Borneo & the Malay Peninsula: 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.
In the aquarium: surface bubble-nester with dedicated male guarding. Males larger with longer fins.