Freshwater Pearl Gourami (Trichopodus leerii)
Freshwater Pearl Gourami (Trichopodus leerii)
Species: Xiphophorus maculatus
Growth Form: Small, livebearing freshwater fish
Coloration: Bright orange to yellow gradient (“sunset” pattern)
Temperament: Peaceful; social, mild male aggression possible
Tank Size: 10 gallons minimum (20+ gallons recommended for groups)
Placement: Mid to upper water column
Lighting: Low to moderate
Flow: Low to moderate
Diet: Omnivore (flakes, pellets, frozen/live foods, vegetable matter)
Feeding: 1–2 times daily; benefits from plant-based foods
Care Level: Easy
Freshwater Pearl Gourami (Trichopodus leerii)
Scientific Name: Trichopodus leerii
Common Names: Pearl Gourami, Lace Gourami
Family: Osphronemidae
Origin: Southeast Asia (Thailand, Malaysia, Indonesia)
Overview
The Pearl Gourami is one of the most elegant and peaceful gourami species, recognized for its shimmering “pearl-like” spots across the body and fins, along with a distinctive horizontal black stripe. Males develop a beautiful orange to reddish throat during maturity. Known for their calm temperament and graceful swimming, Pearl Gouramis are excellent centerpiece fish in planted community aquariums.
Size
- Adult Size: 4–5 inches
- Growth Rate: Moderate
Lifespan
- Typically 5–8 years with proper care
Temperament
- Peaceful and shy
- Best kept in small groups (1 male with 2–3 females)
- Males may display mild territorial behavior during breeding
- Non-aggressive toward most community fish
Tank Requirements
- Minimum Tank Size: 30 gallons
- Recommended: 40+ gallons for groups
- Substrate: Sand or fine gravel
- Aquascape: Heavily planted with floating plants, driftwood, and shaded areas
- Lid: Recommended (labyrinth fish; access to surface air required)
- Filtration: Gentle flow preferred
Water Parameters
- Temperature: 24–28°C (75–82°F)
- pH: 6.0–7.5
- Hardness: Soft to moderately hard
- Prefers slightly acidic, stable water conditions
Diet
- Omnivorous
- Eats:
- High-quality flakes and pellets
- Frozen/live foods (brine shrimp, bloodworms, daphnia)
- Occasional plant matter
Feeding
- Feed 1–2 times daily
- Provide a varied diet to enhance coloration and health
- Avoid overfeeding
Tank Mates
Compatible:
- Peaceful fish (tetras, rasboras, Corydoras)
- Other non-aggressive gouramis (with space)
- Small loaches and peaceful bottom dwellers
Avoid:
- Aggressive or fin-nipping species (tiger barbs)
- Large, boisterous fish that may stress them
Breeding
- Bubble nest builder
- Male builds nest at surface using plant material
- Male guards eggs and fry
- Requires calm water and floating plants for successful breeding
Reef Safe
- Not applicable (freshwater species)
Care Level
- Easy to Moderate
- Suitable for beginners with stable, well-planted aquariums
Special Notes
- Labyrinth fish—requires access to surface air
- Colors intensify in well-maintained, planted tanks
- Males display more vibrant coloration than females
- Appreciates calm environments with minimal stress
- Floating plants help mimic natural habitat and enhance comfort

