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
Giant gourami large rivers. It is capable of breathing moist air, so can survive out of water for long periods. It is much larger than most gouramis, growing to a maximum length of , though most are only around . In colour, it is a pale to golden yellow, with silvery, pale blue stripes running vertically along its body. Females can be identified by their thicker lips. Giant gouramis build nests using weeds and twigs. The giant gourami is also popular in aquaria. Preferably, the tank should have a dark bottom, and densely planted edges, with room left in the center of