Gourami opercularis", and other members of that genus are the target of a cannery industry in China, the products of which are available in oriental supermarkets around the world. Gouramis are particularly found in Sundanese cuisine. In Philippines, gouramis are readily fished at streams, brooks and rivers on provinces. Numerous gourami species are popular aquarium fish widely kept throughout the world. As labyrinth fish, they will often swim near the top of the tank. As with other tropical freshwater fish, an aquarium heater is often used. Gouramis will eat either prepared or live foods. Some species can grow quite large, and
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