Pearl gourami pair of pearl gouramis, although anything above that volume is greatly recommended, since these fish show signs of stress, abnormal aggression, and illness when feeling confined. Preferred tank temperatures are 22–28°C (72–82F). Tanks with surfaces exposed to fresh air are recommended so that the pearl gourami's labyrinth organ can function correctly. As with any tropical aquarium, adequate filtration, lighting, substrate and decorations, plants, and proper care are required. The pearl gourami is a territorial fish and should only be suited in a community tank with fish of similar size to it. However, this fish may be somewhat timid or shy,
Kissing gourami smooth, and buoyant. Initial development is rapid: the eggs hatch after one day, and the fry are free-swimming two days thereafter. The kissing gourami does not care for its young. Adults migrate through the rivers to shallow lagoons or into flooded forests to spawn. A female starts mating and the male simultaneously shed the eggs and sperm to the outside. Females release an average of 1000 eggs. The eggs are spherical and small compared to other freshwater species and have a drop of oil to increase buoyancy. Fertilized eggs float to the surface and usually bind to floating vegetation, becoming