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 do not guard, are spherical, smooth, and buoyant. Initial development is rapid: the eggs hatch after one day, and the fry are free-swimming two days thereafter. The kissing gourami does not care for its young. The kissing gourami present a kind of behavior associated with their characteristic jaw and mouth: two individuals approach their mouths in both mediolateral and dorsoventral planes and press for a few seconds. This type of "kiss" has given "H. temminkii" the common name of kissing gourami has been considered an intraspecific aggressive behavior also known as "mouth fight" due to the contraction of the jaw