Dwarf gourami Tetras, and other docile fish. They require a tank that can hold at least ten gallons. They are usually found swimming in the middle or top regions of the aquarium, because Gouramis are labyrinth fish and make use of their labyrinth organ if necessary. Dwarf gouramis do not do well with large, aggressive fish. Dwarf gouramis are so docile that they will allow themselves to be bullied to death rather than fight back. Males of other gourami species, as well as male Siamese fighting fish, may attack dwarf gouramis. If a Dwarf gourami is put with faster swimming top swimmers
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