Giant gourami Giant gourami The giant gourami ("Osphronemus goramy") is a species of large gourami native to Southeast Asia, with its occurrence in other locations due to introductions. They are native to Chao Phraya and Mekong basin in mainland Southeast Asia, and also rivers of Borneo, Java and Sumatra. This species is commercially important as a food fish and is also farmed. It can also be found in the aquarium trade. The species has also been used for weed control, as it can be a voracious herbivore. It lives in fresh or brackish water, particularly slow-moving areas such as swamps, lakes, and
Pygmy gourami Its native habitat is slow rivers, rice paddies, ditches and small ponds. It is most commonly found in standing not stagnant water (including waters with low oxygen levels) that has a dense cover of floating plants. The pygmy gourami can survive in these waters because of its labyrinth organ, which allows it to breathe air from the surface. Its native habitat has a pH of 6.0 - 7.5, dH of 5 - 19, and temperature 25 °C to 28 °C (77 °F to 83 °F). It feeds on zooplankton and aquatic insects. The pygmy gourami can be found in the