Moonlight gourami in the floodplain of the lower Mekong. The moonlight gourami eats insects, crustaceans, and zooplankton. Like all labyrinth fish, the moonlight gourami has a special lung-like organ that allows it to breathe air directly. Because of this labyrinth organ, it is not unusual to see it go to the surface and gulp air. The ability to breathe air allows the moonlight gourami to survive in very low oxygen situations. In fact, if it remains moist it can actually survive out of water for up to several hours. As with other labyrinth fish, these species are oviparous and employ bubble nests
Kissing gourami By increasing the angle of opening of the jaw, this joint allows kissing gourami to access to these nutrients. "H. temminkii", however, is the only species known that uses this articulation in this way. The intramandibular joint divides the jaw into two independent elements so that it increases the degrees of freedom and the potential number of ways of getting food. This articulation, although its mechanism and anatomy are still being studied in a hurry, results in an adaptation of Helodoma temminkii and its feeding. Shallow, slow-moving, and thickly vegetated backwaters are the kissing gourami's natural habitat. They are midwater