Pearl gourami brighter and is used to court the female. Males also exhibit somewhat of an orange tinge in their fins, with the exception of the caudal (tail) fin. The male also has longer fins, with a more pointed dorsal fin and extended anal fin rays. The pearl gourami is native to Thailand, Malaysia and Indonesia (where it is found on the islands of Sumatra, and Borneo). It occurs in lowland swamps with acidic water. This fish prefers the top and middle levels of the water. A tank with a volume of 120 litres (30 gallons) or over is adequate for a
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