Giant gourami the tank for them to swim. They prefer the company of other fish of similar sizes and temperament. They are easy to keep at three months old at around 7.5 cm or 3 in long. At this age, they have a pronounced beak. They can grow rapidly given sufficient food and space to move. Even under less than ideal conditions, gourami can grow from 7.5 cm to 50 cm in four years. At this age, in addition to the rounded face, a mature giant gourami will have begun to develop the hump just above its eyes. A gourami in a
Kissing gourami superior (upward-facing) as in other gourami families, the kissing gourami's mouth is highly protrusible as its family name suggests, the lips are lined with horny teeth. However, teeth are absent from the premaxilla, dentaries, palatine, and pharynx. The gill rakers are also well-developed and numerous. The visible scales of the body are ctenoid, whereas the scales of the top of the head are cycloid. Kissing gourami reach a maximum of in total length. There is no outward sexual dimorphism and is difficult to almost impossible to distinguish the sexes. Two colour morphs are encountered: greens, which have lengthwise lateral stripes