Pearl gourami for the fish in times of stress. The pearl gourami is a bubble nest builder that uses plants to help bind together the bubbles. The water level should be reduced to 20 cm (8 in) during spawning , and the temperature should be approximately 28 °C (82 °F) and with a pH of around 7. After spawning both adults cannot be kept together. The eggs hatch after two days and the fry become free swimming three days later (Ter Morshuizen 2007). When they commence with swimming freely the fry can be fed infusoria and brine shrimp, and a week later
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