What is the minimum tank size for Congo Tetra?

The minimum tank size for Congo Tetra is 30 gallons.

What temperature does Congo Tetra need?

Congo Tetra requires a temperature range of 73-82°F with a pH of 6.0-7.5.

Is Congo Tetra peaceful or aggressive?

Congo Tetra is peaceful. It grows to 3.0 inches and requires a intermediate level of care.

Congo Tetra — Fish Profile

Phenacogrammus interruptus

Quick Specs

Adult Size:	3.0"
Temperament:	peaceful
Care Level:	intermediate
Min Tank Size:	30 gallons
Temperature:	73-82°F
pH Range:	6.0-7.5
Diet:	omnivore
Origin:	Central Africa (Congo River Basin)
Lifespan:	5-8 years

Overview

Congo Tetras are one of the most spectacular African tetras, with iridescent blue, gold, and red-orange coloration that shifts depending on the light angle. Males develop elongated, flowing dorsal and caudal fins. They are larger than most tetras and need more swimming space. Keep in groups of 6+ for the best schooling display and reduced skittishness.

Care Guide for Congo Tetra

Tank Setup

Congo Tetra requires a minimum tank size of 30 gallons. Maintain water temperature between 73°F and 82°F, with a pH range of 6.0 to 7.5. A properly sized tank with adequate filtration and regular water changes is essential for long-term health. When housing Congo Tetra with other species, always choose a tank size that accommodates the most demanding fish in the community.

Feeding

Congo Tetra is a omnivore feeder. Provide a varied diet appropriate for omnivore species to ensure optimal health and coloration. Feed small portions 2–3 times daily, and remove uneaten food after a few minutes to maintain water quality.

Temperament & Compatibility

This species is classified as peaceful. Congo Tetra reaches an adult size of 3.0 inches and has a care level of intermediate. Always research compatibility before adding new fish to an established aquarium. Individual temperament can vary, so monitor new introductions closely for the first 48 hours.

Origin & Lifespan

Congo Tetra originates from Central Africa (Congo River Basin) and has an expected lifespan of 5-8 years when kept in proper water conditions with appropriate tank mates and diet.

Compatible Tank Mates

🟢 Good Tank Mates

Boesemani Rainbowfish Corydoras Harlequin Rasbora Pearl Gourami Synodontis Catfish

🟡 Caution Tank Mates

Betta (flowing fins may be nipped) Angelfish Neon Tetra (may be eaten)

🔴 Risky Tank Mates

Tiger Barb Oscar Cichlid

Recommended for Congo Tetra

Omega One Freshwater Flakes — $9.99

High-quality flake food for large tetras