Croaking gourami finely ground flakes. Freeze-dried tablets may also be fed to older fry. It is important that the breeding and grow-out tanks be covered and protected from cool drafts, as low air temperatures above the water surface may cause damage to the developing labyrinth organs of the young fish when they begin to take gulps of air. Croaking gourami The croaking gourami ("Trichopsis vittata") is a species of small freshwater labyrinth fish of the gourami family. They are native to still waters in Southeast Asia and are distributed worldwide via the aquarium trade. Croaking gouramis are capable of producing a "croaking"
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