Gourami are unsuitable for the general hobbyist. Generally regarded as peaceful, gouramis are still capable of harassing or killing smaller or long-finned fish. Depending on the species, adult and juvenile males have been known to spar with one another. Aggression can also occur as a result of overcrowding. Gouramis have been housed with many species, such as danios, mollies, silver dollars, Neon tetras, and plecostomus catfish. Compatibility depends on the species of gourami and the fish it is housed with. Some species (e.g. "Macropodus" or "Belontia") are highly aggressive or predatory and may harass or kill smaller or less aggressive fish;
Pearl gourami finely ground flakes. Freeze-dried tablets may also be fed to older fry. The temperature needs to be high (about 84 °F) and with little or no water movement. Since they are air breathers, filtration is not necessary. The pearl gourami has a very unusual and beautiful mating dance. The male builds a nest of tiny, durable bubbles. The female takes a position under the nest and the male curves his body tightly around her, from underneath, as if holding her. Her body quivers while she expels a few eggs. Next he releases her and picks up the eggs in his