Black Palmeri Tetra (Nematobrycon palmeri var. "black"), Black Emperor Tetra

The Black Palmeri Tetra (Nematobrycon palmeri var. "black"), also known as the Black Emperor Tetra, is a striking freshwater aquarium fish. It features a velvety jet-black body, striking electric blue or neon eyes, a pastel-colored mouth, and a distinctive trident-shaped tail. Reaching an adult size of about 2.25 inches (5.5 cm), these peaceful schooling fish thrive in groups of six to ten or more.Ideal

Tank Setup and Water Parameters

Tank Size: Minimum of 15 to 20 gallons (60–75 liters) to allow comfortable swimming space for a small school.

Water Temperature: 23°C to 29°C (73°F to 84°F).

pH Range: 5.0 to 7.5 (slightly acidic to neutral).

Decor: Heavily planted aquascapes with dark substrate, driftwood, and open swimming areas in the middle.

Filtration: Gentle to moderate water flow.

Diet and Compatibility

Diet: Omnivorous; accepts high-quality flakes, small pellets, and live or frozen foods like daphnia, brine shrimp, and bloodworms.

Tank Mates: Peaceful community fish such as small peaceful tetras, rasboras, corydoras, and dwarf cichlids. Avoid aggressive or large predatory fish.