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Sparkling Gourami

Trichopsis pumila · family Osphronemidae

Also: Pygmy Gourami, Croaking Dwarf Gourami, Trichopsis pumila

Sparkling Gourami (Trichopsis pumila) — aquarium fish
Wikimedia Commons / CC BY-SA

Parameters

Temperature
24–28 °C
pH
6–7
Hardness
4–10 °dGH
Tank volume
from 30 L
Maximum size
up to 3.5 cm
Group size
min 3, ideal 6
Temperament
Peaceful
Swimming zone
Top
Difficulty
Beginner
Lifespan
3–5 years

Health & Common Diseases

Key risks, vulnerability factors, and veterinarian-reviewed treatment guides.

Dropsy (Pinecone Disease)

Treatment Guide →

Bacterial fluid buildup often triggered by metabolic stress, sudden ammonia spikes, or low temperatures.

Velvet Disease (Oodinium)

Treatment Guide →

Photosynthetic dinoflagellate parasite causing fine gold-rust dust on skin and gills, clamped fins, and flashing. Cured via 5–7 day blackout, 28–30 °C heat, and medication.

Description

The Sparkling Gourami (Trichopsis pumila) is a captivating 3.5 cm nano labyrinth fish famous for two traits: rows of metallic emerald, turquoise, and ruby-red scales framing a neon sapphire-blue eye, and its ability to produce audible clicking or croaking sounds using specialized pectoral fin muscles during courtship and territorial displays.

Care

Keep in a small group of 3–6 individuals in a warm, heavily planted aquarium starting at 30 liters (24–28 °C, pH 6.0–7.0, GH 4–10) with gentle flow and floating plants (Phyllanthus fluitans, Salvinia) to diffuse bright lighting. Because they breathe atmospheric air via their labyrinth organ, maintain warm humid air above the water surface. Because labyrinth fish are sensitive to chill and parasites, keep our 48-Hour Fish Dropsy Guide and Velvet Disease (Oodinium) Cure bookmarked.

Feeding

Micro-carnivore: relishes live and frozen daphnia, baby brine shrimp, cyclops, blackworms, and mosquito larvae, alongside high-protein slow-sinking nano granules offered near the surface.

Breeding

The male constructs a small bubble nest beneath a broad Cryptocoryne leaf or floating plant roots. During courtship, both fish emit rapid croaking clicks before the male gathers 40–100 eggs into the nest and guards the fry until free-swimming.

Compatibility

  • Celestial Pearl Danio

    Danio margaritatus

    Отличные мирные соседи по нано-травнику.

    Good
  • Ember Tetra

    Hyphessobrycon amandae

    Прекрасно делят верхний и средний ярусы растительного аквариума.

    Good
  • Amano Shrimp

    Caridina multidentata

    Крупные креветки Амано полностью в безопасности.

    Good
  • Red Cherry Shrimp

    Neocaridina davidi

    Взрослых креветок не трогают, но молодь неокаридин могут активно выслеживать.

    Caution

FAQ

Can you really hear Sparkling Gouramis croak outside the aquarium?
Yes! By snapping specialized pectoral fin tendons against their swim bladder, Trichopsis pumila produces a rapid clicking sound clearly audible within a quiet room.
Can multiple male Sparkling Gouramis live together?
Unlike Bettas, Sparkling Gouramis are peaceful enough to live in mixed-sex groups of 4–6 in a heavily planted 30–40 L tank, settling rivalries with harmless croaking displays.
Goldie editorial team — collective profile photo
AuthorGoldie Editorial

Goldie editorial team

Practising aquarists with a combined 30+ years of experience · Biologists and editors, fact-checking against FishBase and Seriously Fish · Every piece is reviewed by a qualified ichthyologist before publication

Goldie Science Board — collective scientific review panel
Reviewed byGoldie Science Board

Scientific board — ichthyologists and veterinarians

Ichthyologists and veterinarians with university degrees · Reference FishBase, Seriously Fish and peer-reviewed literature · Sign every reviewed article with their credentials shown

Sources

  1. FishBase: Trichopsis pumila · FishBase · 2026-05-22
  2. Seriously Fish: Trichopsis pumila · Seriously Fish · 2026-05-22