Sparkling Gourami (Pair)

Turn the filter off for a minute and put your ear near the glass. The Sparkling Gourami actually talks. Males produce a dry, clicking croak — a real, audible sound made by snapping modified tendons in the pectoral fins — when they display, court, or square up to a rival. There are barely a handful of aquarium fish that do this, and none of the others fit in a 20-litre tank.

Under tank light the body lights up in metallic blue-green speckling over a translucent bronze base, with red-and-blue edged fins and bright turquoise eyes. It is a labyrinth fish, a miniature relative of the Betta, and it behaves like one — deliberate, curious, and completely unbothered by low-flow, heavily planted, blackwater-style setups where most fish sulk.

Care Snapshot

Scientific name	Trichopsis pumila
Also known as	Pygmy Gourami, Croaking Gourami, Dwarf Croaking Gourami
Origin	Mekong basin — Thailand, Cambodia, Vietnam, southern Laos
Adult size	3.5–4 cm
Lifespan	4–5 years
Minimum tank	20 litres for a pair · 45 litres+ for a group of 6
Temperature	22–28 °C
pH	6.0–7.5
Hardness	2–15 dGH
Diet	Micropredator — small meaty foods, micro-granules
Temperament	Peaceful, shy; males mildly territorial with each other
Care level	Easy to moderate
Swimming zone	Middle and upper, among plants

Setting Up For It

• Plant it heavily and cover the surface. Cryptocoryne, Java fern, Bucephalandra and a mat of floating plants — Salvinia, Frogbit, Red Root Floater. Cover is what makes this fish come out; a bare tank turns it into a permanent hider.
• Keep the flow low. A sponge filter is ideal. It breathes air at the surface, so a churning outlet works against it.
• Leave a warm air gap and use a tight lid. Labyrinth fish gulp air above the water. Cold, dry room air over an open tank causes respiratory damage — the gap between water and lid should stay warm and humid.
• Tannins help. Catappa leaves or a piece of driftwood soften the water, dim the light and deepen the iridescence. This is a blackwater fish by preference.
• Dark substrate. Colour is far stronger over dark sand or fine gravel than over light-coloured substrate.

Tank Mates

Note: adult dwarf shrimp are safe, but shrimplets will be eaten. Plan accordingly if you are breeding shrimp in the same tank.

Feeding

The mouth is tiny — this is the single most common reason Sparkling Gouramis fail in a community tank. Standard flake and 1 mm pellets are simply too large, and the fish quietly starves while the owner assumes it is eating.

Feed small, sinking-to-mid-water particles twice a day, only what is cleared in two minutes. From the AQA range, use the finest-grade micro granule as the daily staple, alternating with a freeze-dried or frozen meaty food two or three times a week for colour and breeding condition.

Live and frozen foods it particularly favours: baby brine shrimp, daphnia, moina, cyclops, grindal worms, chopped bloodworm.

Sexing & Breeding

Males have longer, more pointed dorsal and anal fins with stronger red and blue edging, and croak far more often. Females are rounder in the body, shorter-finned and duller. Both sexes can vocalise. Holding a torch to the flank of a mature female shows the ovaries as a pale mass — the most reliable field method.

Breeding is achievable at home. The male builds a small bubble nest, usually beneath a broad leaf or inside a cave, spawns in an embrace, then takes over guarding and tending the eggs. Fry hatch in 2–3 days and are free-swimming by day 4–5. They are very small and need infusoria or liquid fry food before they can manage baby brine shrimp. Raise them in a shallow, well-covered tank with warm surface air.

Keeping It In Indian Conditions

• Across most of India this fish needs no heater for much of the year — room temperature sits comfortably in range. In Bengaluru, Pune and hill-station winters, a small heater set to 24 °C prevents the night-time dips that trigger fin clamping and ich.
• In peak summer, watch for temperatures above 30 °C. Warm water holds less oxygen; increase surface agitation slightly and keep the lid gap ventilated but still warm.
• Most Indian municipal supplies are moderately hard and alkaline, which this fish tolerates well once acclimatised. Colour and breeding response improve markedly with catappa leaves or a small share of RO water.