Thick-lipped gourami Thick-lipped gourami The thick-lipped gourami ("Trichogaster labiosa") is a species of gourami native to Southeast Asia. It is a popular aquarium fish. Thick-lipped gouramis can reach a length of TL. They are sexually dimorphic, with the female being silvery, but the male marked with oblique thin red and blue stripes along its flanks. This fish is a freshwater species native to south Myanmar. It has also been introduced into Colombia. Like most other gouramis, the thick-lipped gourami builds a bubble nest into which the eggs are placed. The male guards the eggs but ignores the fry. The thick-lipped gourami has
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