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,
Pygmy gourami Its native habitat is slow rivers, rice paddies, ditches and small ponds. It is most commonly found in standing not stagnant water (including waters with low oxygen levels) that has a dense cover of floating plants. The pygmy gourami can survive in these waters because of its labyrinth organ, which allows it to breathe air from the surface. Its native habitat has a pH of 6.0 - 7.5, dH of 5 - 19, and temperature 25 °C to 28 °C (77 °F to 83 °F). It feeds on zooplankton and aquatic insects. The pygmy gourami can be found in the