The Red and Black Distichodus (Distichodus affinis) is a stunning freshwater fish from African rivers, admired for its brilliant red fins, bold black body accents, and active swimming behavior. At 5–6 cm, these juveniles are already impressive and will eventually grow to 15–25 cm in captivity, making them ideal for large, spacious aquariums with robust tank mates.

Highly energetic and visually striking, this species adds a dramatic touch to community tanks, especially in setups that replicate its natural African habitat.

✅ Key Features

• Size: Juveniles 5–6 cm; adults can reach 15–25 cm

• Temperament: Semi-aggressive, especially as they mature

• Care Level: Moderate to advanced

• Lifespan: 8–10 years with proper care

• Special Trait: Vibrant red fins and deep black body markings

Care Guide for Red and Black Distichodus

✅ Tank Requirements

• Minimum Tank Size: 250 liters (65 gallons) for juveniles; larger tanks for adults

• Aquascape: Open swimming areas with driftwood and robust plants

• Filtration: Strong filtration system to manage their activity and waste

• Lighting: Moderate lighting to highlight colors

• Lid Required: Recommended, as they are active swimmers and can jump

✅ Water Parameters

• Temperature: 24°C – 28°C (75°F – 82°F)

• pH Level: 6.5 – 7.5

• Water Hardness: Soft to moderately hard

• Maintenance: Weekly water changes of 25–30%

Distichodus species prefer clean, well-oxygenated water with stable parameters to thrive.

✅ Feeding Habits

The Red and Black Distichodus is omnivorous, requiring a varied diet for vibrant coloration and good health.

• Recommended Diet:

  • High-quality pellets or flakes

  • Vegetables (blanched spinach, zucchini, peas)

  • Occasional live or frozen protein (bloodworms, brine shrimp)

Feed once or twice daily, avoiding overfeeding to maintain water quality.

✅ Tank Mates

As they grow, these fish can become territorial and nippy, so choose companions carefully.

Suitable Tank Mates:

• Robust African species (Synodontis catfish, large Barbs)

• Medium to large Cichlids (non-aggressive types)

• Other active schooling fish of similar size

Avoid small, delicate, or slow-moving fish as they may be harassed or eaten.

✅ Behavior & Personality

• Behavior: Active, fast-swimming fish that prefer open spaces

• Personality: Semi-aggressive, especially during feeding

• Activity: Best kept in groups of 3 or more to reduce aggression

Why Choose Red and Black Distichodus?

• Striking red-and-black color combination adds a bold look to aquariums

• Active and engaging behavior for dynamic displays

• Perfect for African biotope or large show tanks

✅ Ideal for experienced aquarists with large aquarium setups
✅ A rare and exotic species for collectors and enthusiasts