Crossband Chocolate Gourami (Sphaericthys selatanensis)

Rare, beautifully banded, and wonderfully exotic — the Crossband Chocolate Gourami (Sphaerichthys selatanensis) is a stunning and uncommon member of the chocolate gourami group from the blackwater rivers of Borneo. With its distinctive bold crossband pattern and rich chocolate colouration, this rare species is a prized find for specialist blackwater aquarists and gourami enthusiasts.

Overview

Appearance

The Crossband Chocolate Gourami displays a rich chocolate-brown to dark body with bold, pale to white crossbands running vertically across the body — a distinctive banded pattern that sets this species apart from other chocolate gouramis. The crossbands are particularly vivid in well-conditioned fish and create a striking contrast against the dark chocolate body. Fin markings add additional colour accents that make this a truly beautiful small fish.

Water Parameters & Tank Setup

• Temperature: 75 – 82°F (24 – 28°C)
• pH: 4.0 – 6.5 (very soft, acidic blackwater conditions essential)
• General Hardness (GH): 0 – 5 dGH (very soft water required)
• Tank Size: Minimum 20 gallons for a pair or small group
• Plants & Decor: Heavily planted with Indian almond leaves, driftwood, and leaf litter; dim lighting preferred

Diet & Feeding

• Staple: Live or frozen micro foods — baby brine shrimp, micro worms, daphnia
• Treats: Small frozen bloodworms and other meaty micro foods
• Note: Can be finicky eaters; live foods are often preferred initially

Feed small amounts 2–3 times daily.

Compatibility & Tank Mates

Best kept in a species-only or carefully chosen blackwater tank. Suitable companions include other small, peaceful blackwater species. Avoid boisterous or larger fish.

Breeding

Mouthbrooders — females incubate eggs in their mouths. A fascinating and rewarding species to breed for the dedicated aquarist.

The Crossband Chocolate Gourami is a rare and beautifully banded fish that brings exotic blackwater beauty to any specialist aquarium. A true collector’s species for the experienced enthusiast.