Trichogaster labiosa is a handsome medium gourami native to still and slow-moving, heavily vegetated waters of Myanmar and northeastern India. The common name refers to the distinctly thickened lips that set it apart from related species — an adaptation likely related to feeding on insect larvae at the water surface. Males are strikingly colored with alternating bands of bright orange-red and blue-green iridescence running horizontally across the body, with similarly patterned dorsal, anal, and caudal fins. Females are less colorful, displaying softer muted tones.
Reaching about 10 cm, it is smaller and more compact than the larger Trichopodus gouramis, making it suitable for a wider range of aquarium sizes. It is generally peaceful and significantly less aggressive than related Trichopodus trichopterus species, making it a much better choice for planted community tanks where constant male aggression is undesirable.
Like all Trichogaster and Trichopodus species, the Thick-lipped Gourami is a labyrinth fish with the ability to breathe atmospheric air. It is a bubble-nest builder, with males constructing elaborate foam nests at the water surface among floating plants. The species is curious and interactive, often approaching the front glass and following the keeper's movements. Trichogaster labiosa is sometimes confused in the trade with the closely related Colisa lalia (Dwarf Gourami), but the Thick-lipped Gourami grows significantly larger, has a distinctly different body profile, and shows markedly different coloration in males. Understanding the distinction is important for appropriate care, as the two species have somewhat different temperament profiles and tank size requirements.
