Chocolate gourami Chocolate gourami The chocolate gourami ("Sphaerichthys osphromenoides") is a species of gourami native to the Malay Peninsula, Sumatra, and Borneo. Chocolate gouramis reach a length of . These fish have a chocolate colour with golden bands running down their bodies. "Sphaerichthys selatanensis" has sometimes been treated as a subspecies of "S. osphromenoides". They are restricted to peat habitats. Unlike many other labyrinth fish, which breed by incubating their eggs in a bubble nest, this species is a mouthbrooder. Even more unusually, this species is a maternal mouthbrooder, with the female incubating the eggs in her mouth; all other anabantoid mouthbrooders
Pygmy gourami Pygmy gourami The pygmy gourami ("Trichopsis pumila"), also known as the sparkling gourami, is a freshwater species of gourami native to Southeast Asia. Pygmy gouramis can reach a length of SL. In color, they sparkle with red, green, and blue hues, and can produce an audible croaking noise using a specialised pectoral mechanism. In the right light, its eyes appear bright blue, and its arrowhead-shaped body and caudal fins reflect a rainbow of colors as it swims. Sexing is difficult, but males have red spots above the "body line" or the stripe through their body, and females spots are duller.