Three spot gourami protects aggressively. The three spot gourami is a hardy fish. They can be housed with a variety of tank mates of similar size and temperament. While males can be territorial with each other, they become timid around other, more aggressive fish. Male gouramis are known to be very aggressive; they may also be fin nippers and generally may bother other fish in the tank. They often show aggression toward species with long, flowing fins such as male guppies, goldfish, and bettas, because they display long tails and bright colors, presenting competition for impressing a female gourami. Female gourami sometimes bother
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),