Trichopodus leerii is the scientific name and some times identify as Trichogaster leerii. Mother lands are Thailand, Malaysia, Sumatra and most of the South Eastern territories. Pearl Gourami is a good fish for beginners.
Normally a placid fish but shows some kind of impulsive behavior near the breeding season. In the time of breeding male some times try to beat females very much. If you see such a scene separate the the female. When a couple get ready to breed male create a bubble nest from his mouth. Reduce the water level of breeding tank to 8-10 inches. Male paste the female laid eggs inside the nest. After laying eggs male expels the female away and protect the nest. Male fish stay near the bubble nest and protect the eggs. At this time you must remove the female away room the tank. Normally juveniles come out from 2 days. Male also protect these juveniles and after 3 days of come out they get the ability of swim. Then at this time you have to provide daphnia, infusoria like micro foods. If juveniles can swim themselves you are able to remove the male fish also from the tank.
Pearl Gourami is omnivorous. Normal fish food is good for these fish. But if you can give tubifes or bloodworms occasionally it will be helpful to higher growth. 2 feet by 1 foot space is enough for one couple. If it able to increase the tank size is better. Keeping the purity of the water is very important. Pearl Gourami likes for a environment with aquarium plants around. Use a good filter.