Pygmy gourami aquarium trade. The pygmy gourami is hardy and tolerant of less-than-ideal water conditions in the tank. It is important to avoid any strong currents in the aquarium and need plenty of hiding places; a heavily planted tank with subdued lighting would be ideal. They require some space between the top of the water and the tank cover from which to gulp air. Preferred water conditions include a temperature of 25 °C (76 °F) or above, and a pH of less than 7. While these are not schooling fish, they can usually be kept peacefully in small groups. Keep in mind
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