Overview
The sparkling gourami is one of the smallest gouramis in the hobby, rarely growing longer than your thumbnail. Its body shimmers with rows of glittering blue-green and red spots, and when the light hits it just right the fish looks like it is dusted with sequins. It comes from the slow, plant-choked waters of Thailand and nearby parts of Southeast Asia, the same warm shallows where rice is grown.
What makes this little fish famous is its voice. Sparkling gouramis can make a soft croaking or purring sound, especially the males when they are showing off or defending a bit of territory. They belong to a group called labyrinth fish, which means they can gulp air from the surface using a special breathing organ, so they survive in warm water that holds very little oxygen.
| Care level | Easy to moderate |
| Adult size | 1.5 in (4 cm) |
| Lifespan | 4-5 years |
| Temperament | Peaceful and a little shy |
| Min. tank | 10 gal (38 L) |
| Temperature | 76-82 F (24-28 C) |
| pH | 6.0-7.5 |
| Diet | Micro pellets, frozen and live tiny foods |
| Schooling | Small groups of 4 or more |
A fish that talks
Sparkling gouramis produce clicking and croaking noises by snapping muscles near their pectoral fins. Scientists think the sounds help them claim territory and impress mates. In a quiet room you can sometimes hear it happen.
Built-in air tank
Like bettas and other labyrinth fish, this gourami has a labyrinth organ that lets it breathe air from above the water. That is why you will often see it dart to the surface for a quick gulp.
Where it lives
It calls the still, warm, densely planted waters of Thailand, Cambodia, and Vietnam home, including ditches, marshes, and flooded rice fields where plants tangle together and the water barely moves.
Keeping it happy
These are gentle, easily startled fish. They do best in a calm, well-planted tank with soft light, floating plants overhead, and quiet tankmates. Bright open tanks with pushy fish make them hide all day.
Bubble-nest parents
Males build a raft of sticky bubbles at the surface, often under a leaf. After the eggs are laid the male guards the nest and tends the eggs until the fry hatch.
Fun facts
- It is one of the tiniest gouramis kept in home aquariums, topping out around 1.5 inches.
- It can croak out loud, a rare talent among fish.
- Its labyrinth organ lets it breathe air straight from the surface.
- The glittering spots that give it its name flash brightest when a male is displaying.
- Males build floating bubble nests and guard the eggs themselves.
Frequently asked questions
Do sparkling gouramis really make noise?
Yes. They can produce soft croaking and clicking sounds, usually when males are showing off or defending space. It is one of the few aquarium fish you can actually hear.
Are they good for beginners?
They are fairly easy to care for but a little shy, so they suit a calm, planted tank rather than a busy one. A patient beginner can do very well with them.
Can I keep just one?
They are happier in a small group of four or more, where they feel safer and behave more naturally. A lone fish tends to hide a lot.
What should I feed them?
Their mouths are tiny, so offer small foods like micro pellets, crushed flakes, and frozen or live treats such as daphnia and baby brine shrimp.
