Overview
The three-spot gourami is a hardy, medium-sized labyrinth fish with a soft blue sheen and long thread-like pelvic fins that hang below its body like feelers. Its name comes from a bit of a riddle: it actually has only two dark spots on each side, one in the middle and one near the tail. The third spot is the fish's own eye, which lines up with the other two to make a neat row of three.
This gourami comes from the warm, slow waters of Southeast Asia, including marshes, canals, and flooded rice fields. Like other gouramis it can breathe air at the surface using its labyrinth organ, so it thrives in still, low-oxygen water. It is one of the most durable gouramis you can keep, which makes it a favorite for beginners who want a bigger, showy fish.
| Care level | Easy |
| Adult size | 6 in (15 cm) |
| Lifespan | 4-6 years |
| Temperament | Generally peaceful, males can be bossy |
| Min. tank | 30 gal (114 L) |
| Temperature | 74-82 F (23-28 C) |
| pH | 6.0-8.0 |
| Diet | Flakes, pellets, and frozen or live foods |
| Schooling | Kept singly or in loose small groups |
The third spot mystery
Look closely and you will only count two real spots on its side. The third comes from its eye, which forms a straight line with the two body spots. It is a fun bit of trivia that trips up a lot of people.
Fins like feelers
Its long, thin pelvic fins act like touch sensors. The gourami sweeps them around to feel plants, decor, and even tankmates, which helps it explore its surroundings.
Where it lives
It ranges across Southeast Asia, from Myanmar to Vietnam and beyond, living in ditches, swamps, slow rivers, and rice paddies full of plants and warm, still water.
Air breather
The labyrinth organ lets it gulp air from above the water, so it survives in warm, oxygen-poor pools where many other fish could not.
Keeping it happy
It is tough and adaptable but needs a roomy tank because it grows to about six inches. Males can get a little territorial, so give them space, plants, and calm tankmates.
Fun facts
- Its name says three spots, but one of them is actually the fish's eye.
- The blue color form is sometimes sold as the Blue or Opaline gourami.
- Its long pelvic fins work like feelers for touching its surroundings.
- It breathes air at the surface using a labyrinth organ.
- It is one of the hardiest gouramis, handling a wide range of conditions.
Frequently asked questions
Why is it called three-spot if I only see two spots?
The trick is that the eye counts as the third spot. Line up the two body spots with the eye and you get a neat row of three.
Is it a good beginner fish?
Yes. It is one of the toughest and most forgiving gouramis, which makes it a solid choice for newer aquarium keepers who want a larger fish.
Does it get aggressive?
Usually it is calm, but males can be a bit territorial, especially in smaller tanks. Plenty of space and plants help keep the peace.
How big a tank does it need?
Since it can reach around six inches, aim for at least a 30 gallon tank so it has room to grow and swim comfortably.
