Samurai Chocolate Gourami (Sphaerichtys Vailanti)

Rare, exotic, and hauntingly beautiful — the Samurai Chocolate Gourami (Sphaerichthys vaillanti) is one of the most striking and sought-after members of the chocolate gourami group. Named for its bold, warrior-like patterning, this rare Bornean blackwater gourami displays a dramatic pattern of dark bands and vivid colouration that makes it one of the most visually impressive small gouramis in the hobby.

Overview

Appearance

The Samurai Chocolate Gourami displays a rich chocolate-brown to dark body with bold, contrasting pale to white vertical bands and vivid red to orange fin markings — a dramatic, high-contrast pattern that gives this species its warrior-like “samurai” name. Males display the most intense colouration, particularly during breeding condition. The overall effect is a fish of extraordinary visual drama for its small size.

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 Samurai Chocolate Gourami is a rare and dramatic fish that brings bold patterning and blackwater beauty to any specialist aquarium. A true collector’s species for the experienced enthusiast.