Dwarf gourami pointed, while the female's is rounded or curved. They carry touch-sensitive cells on their thread-like pelvic fins. Dwarf gouramis sold in fish stores may also be solid colors (e.g., powder blue dwarf gourami or red flame variety) which are nothing but captive bred color morphs of the same species. Most dwarf gouramis live for about four years; with proper care, they can live longer. Dwarf gouramis are generally peaceful fish—unlike the much larger standard gourami, which can become aggressive. Dwarf gouramis do well in most community aquariums and are compatible with most fish, such as Platies, Mollies, Plecostomus, Ghost Catfish,
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