Three spot gourami toward each other. The three spot gourami is an omnivore and requires both algae-based and meaty foods. An algae-based flake food, along with freeze-dried bloodworms, tubifex worms, and brine shrimp provide these fish with the proper nutrition. Live foods such as mosquito larvae and daphnia are also beneficial. Differentiating between the male and female three spot gourami is by the dorsal fin. In the male, the dorsal fin is long and pointed and the anal fin is pointed, while the female's are shorter and rounded. However, some females may have a dorsal fin as long as the male's. When ready
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