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FishFreshwaterBeginnerSemi aggressive

Thick-lipped gourami

Trichogaster labiosa

Also known as: Sunset Thick-lip Gourami, Thicklip gourami, Thick-lip Gourami, Thick lipped gourami

An underrated community gourami that outshines its more famous cousins.

Thick-lipped gourami
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© Hippocampus-Bildarchiv · Via SeriouslyFish.com (educational / non-commercial use)

About

Found in rivers of South Myanmar, Trichogaster labiosa is a gourami that genuinely deserves more shelf space at the fish store than it usually gets. It stays modest in size, tolerates a wide range of water conditions, and is widely regarded as one of the most community-friendly gouramis available. Arguably better suited to a mixed tank than the ever-popular dwarf gourami. A group bought young will typically coexist peacefully throughout their lives, and they mix well with danios, rasboras, smaller barbs, and loaches. One thing to watch: avoid housing them with the banded gourami, as the two species can interbreed. Like all anabantoids, this fish breathes atmospheric air using a labyrinth organ, a folded, maze-like structure grown from a modified gill arch, and needs regular access to the water surface. Wild fish carry barred patterning, but a selectively bred gold or sunset form exists in the hobby, replacing those bars with a warm orange-gold wash; unusually, females of this strain are nearly as colorful as males. Breeding follows the classic bubble-nest approach, with the male taking guard duty over the eggs and fry. A forgiving choice for beginners who want a gourami with a genuinely calm disposition.

Frequently asked questions

How big does the Thick-lipped gourami get?
The Thick-lipped gourami reaches about 2–3" as an adult.
What size tank does the Thick-lipped gourami need?
A minimum of 19 gallons is recommended for the Thick-lipped gourami.
What water parameters does the Thick-lipped gourami need?
The Thick-lipped gourami does best with a temperature of 72–82°F, a pH of 6–7.5, hardness around 4–15 dGH.
Is the Thick-lipped gourami aggressive?
The Thick-lipped gourami is semi-aggressive. It can work in a community with careful tankmate choices and enough space.