Gourami are unsuitable for the general hobbyist. Generally regarded as peaceful, gouramis are still capable of harassing or killing smaller or long-finned fish. Depending on the species, adult and juvenile males have been known to spar with one another. Aggression can also occur as a result of overcrowding. Gouramis have been housed with many species, such as danios, mollies, silver dollars, Neon tetras, and plecostomus catfish. Compatibility depends on the species of gourami and the fish it is housed with. Some species (e.g. "Macropodus" or "Belontia") are highly aggressive or predatory and may harass or kill smaller or less aggressive fish;
Three spot gourami its body in line together with the eye being considered as the third spot. It is also known as "hairfin gourami" (from its specific name "trichopterus") or "two-spot gourami" (in Malaysia). Variety names include "opal" or "opaline gourami" (or "Cosby gourami") for varieties with a marbled pattern, "blue gourami" for the blue morph, "gold" or "golden gourami" for the yellow morph, "platinum gourami" for the white morph, and "lavender (or "amethyst") gourami" for the result morph of crossing a blue and gold. Three spot gourami are native to standing or slow-moving freshwater habitats in southeastern Asia, ranging from Yunnan (China),