Description

Heart Discus Fish (Symphysodon aequifasciatus)

📌 Basic Info

• Scientific Name: Symphysodon aequifasciatus

• Common Names: Heart Discus, Red Heart Discus, Golden Heart Discus

• Family: Cichlidae (Cichlid Family)

• Order: Cichliformes

• Origin: Selectively bred hybrid from Red Melon and Golden strains — developed in Thailand and Malaysia.

• Size: 6 – 8 inches (15 – 20 cm)

• Lifespan: 10 – 15 years

• Tank Zone: Middle

🌊 Water Parameters

• Temperature: 28 – 31°C (82 – 88°F)

• pH: 6.0 – 6.8

• Hardness: 3 – 8 dGH

• TDS: 120 – 180 ppm

🐟 Characteristics

• Body: Perfectly rounded with a smooth and thick body shape.

• Coloration: Rich solid red to deep orange body, often glowing under aquarium lighting. The “Heart” name comes from its vivid red hue and symmetrical heart-shaped silhouette when viewed from the side.

• Pattern: Usually patternless or lightly shaded; focuses on pure color uniformity.

• Fins: Matching red or orange tone with slight transparency and radiant edges.

• Eyes: Deep red — intensifies the overall fiery look.

• Behavior: Calm, graceful, and peaceful — thrives in well-maintained community discus tanks.

• Special Feature: The heart-like symmetry and bright, pure red body make it one of the most symbolic and romantic strains in the discus family.

🍽️ Diet

• Type: Omnivorous

• Preferred Food: High-quality discus pellets, beef heart mix, bloodworms, and brine shrimp.

• Feeding Frequency: 2–3 times daily.

• Tip: Include color-enhancing foods rich in carotenoids for maintaining its red brilliance.

🛠️ Tank Setup & Maintenance

• Tank Size: Minimum 250 liters (65 gallons) for a small group.

• Filtration: Strong biological filtration with gentle water flow.

• Substrate: Bare bottom or fine sand for cleanliness.

• Decor: Driftwood and broad plants for comfort and natural shading.

• Lighting: Moderate; highlights body glow and red saturation.

• Water Change: 30–40% every 2–3 days to retain color vibrancy.

👥 Social Behavior

• Group Size: Keep in groups of 5 or more.

• Tank Mates: Peaceful companions like cardinal tetras, corydoras, and dwarf gouramis.

• Avoid: Aggressive or fin-nipping fish.

• Compatibility: Combines beautifully with Red Melon, White Face Red, and Golden Rafflesia Discus.

✅ Do’s
• Keep consistent warm water temperature.
• Provide high-protein, color-rich foods.
• Use soft, slightly acidic water for best health.

❌ Don’ts
• Don’t overfeed or leave uneaten food.
• Avoid harsh lighting or bare tanks with no shelter.

⭐ Quick Tips
The Heart Discus Fish is prized for its flawless red color and elegant, heart-like shape — a perfect showpiece symbolizing love and beauty in aquariums. Its uniform coloration and glowing presence make it a top choice for breeders and display tanks alike.