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FishFreshwaterIntermediateSemi aggressive

Three Spot Gourami

Trichogaster trichopterus

A bold, labyrinth-breathing gourami that demands respect from its tankmates.

Three Spot Gourami
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CC BY-SA 3.0

About

The three spot gourami (Trichogaster trichopterus) is named for the two dark spots along its flanks, one at mid-body, one near the tail base, with the eye counting as the implied third. It's a chunky, personable fish native to the slow-moving waters of the Mekong basin, where it navigates seasonal floodplains, marshes, and densely vegetated canals across Thailand, Cambodia, Laos, Vietnam, and southern China. Like all gouramis, it belongs to the anabantoid group and possesses a labyrinth organ that lets it breathe atmospheric air directly, so surface access is non-negotiable in the aquarium. In the wild it feeds on zooplankton, small crustaceans, and insect larvae, and it carries that carnivorous appetite into captivity, accepting most meaty foods readily. Where things get complicated is temperament. This species can be genuinely aggressive, particularly male-to-male, and it will harass smaller or slower tankmates. One male per tank is the standard rule. It tends to patrol the upper and middle water column, which puts it in constant contact with surface-breathing air. And in constant contact with anything else living in that zone. Despite the attitude, it's a hardy and adaptable fish that rewards keepers who plan their community thoughtfully and give it adequate space.

Frequently asked questions

How big does the Three Spot Gourami get?
The Three Spot Gourami reaches about 3.5–6" as an adult.
What size tank does the Three Spot Gourami need?
A minimum of 20 gallons is recommended for the Three Spot Gourami.
What water parameters does the Three Spot Gourami need?
The Three Spot Gourami does best with a temperature of 72–82Β°F, a pH of 6–8, hardness around 5–19 dGH.
Is the Three Spot Gourami aggressive?
The Three Spot Gourami is semi-aggressive. It can work in a community with careful tankmate choices and enough space.
What does the Three Spot Gourami eat?
The Three Spot Gourami is a carnivore. It needs a meaty, protein-rich diet of frozen or live foods.
How long does the Three Spot Gourami live?
With good care, the Three Spot Gourami typically lives 5-8 years.