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,
Moonlight gourami In females, the pelvic fins are colorless to yellow, and the dorsal fins are shorter and rounder. During spawning, in males, the orange thread-like ventral fins will intensify and become red. The moonlight gourami is native to the Mekong River in Cambodia and Vietnam and Chao Phraya basins. This species has been introduced into the Mekong basin in Thailand. It has also been introduced into Colombia due to escaping from aquarium rearing facilities. This species is found in ponds and swamps. It occurs in shallow, sluggish, or standing water habitats with a lot of aquatic vegetation. It is also common