Three spot gourami are known to change color (their black spots will fade) when under high stress or when they are not kept under good conditions. Healthy fish have two vivid black spots on each side of their bodies, but these fade with age. Selectively bred varieties most commonly available in the aquarium trade are opaline (or opal) (with a marbled pattern), platinum (or silver) (whitish), blue, golden (or gold) (xanthochromistic), and lavender (or amethyst) (the result of crossing a blue and golden, having a purple coloration). Three spot gourami The three spot gourami ("Trichopodus trichopterus"), also known as the opaline gourami, blue
Moonlight gourami In females, the pelvic fins are colorless to yellow, and the dorsal fins are shorter and rounder. During spawning, in males, the orange thread-like ventral fins will intensify and become red. The moonlight gourami is native to the Mekong River in Cambodia and Vietnam and Chao Phraya basins. This species has been introduced into the Mekong basin in Thailand. It has also been introduced into Colombia due to escaping from aquarium rearing facilities. This species is found in ponds and swamps. It occurs in shallow, sluggish, or standing water habitats with a lot of aquatic vegetation. It is also common