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Threadfin Acara - (Acarichthys Heckelii)
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Threadfin Acara - (Acarichthys Heckelii)

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Threadfin Acara - (Acarichthys Heckelii)
Fish Details, Description and Information Below:

🐟 Threadfin Acara – (Acarichthys heckelii) – Elegant South American Cichlid for Sale

The Threadfin Acara (Acarichthys heckelii) is a graceful and peaceful South American cichlid admired for its long, flowing fin extensions and shimmering silver-gold body accented with subtle red markings. Native to the Amazon Basin, this species is often found in slow-moving waters and sandy-bottom habitats. Its calm temperament, striking finnage, and compatibility with other peaceful fish make it a favorite for planted or community aquariums. When kept in good water conditions and a spacious tank, Threadfin Acaras display their best colors and full fin extensions.


🔎 Quick Facts – Threadfin Acara (Acarichthys heckelii)

  • 📛 Common Name: Threadfin Acara, Heckel’s Threadfin Acara
  • 🔬 Scientific Name: Acarichthys heckelii
  • 🌍 Origin: Amazon Basin (Brazil, Peru, Guyana)
  • 🎨 Appearance: Silver-gold body with delicate red speckling; elongated thread-like extensions on dorsal and tail fins
  • 📏 Max Size: 8–10 inches (20–25 cm)
  • 💎 Availability: Occasionally available; prized for elegant appearance and peaceful nature

😇 Behavior & Temperament

  • 🤝 Peaceful for a cichlid; compatible with medium-sized peaceful species
  • 🐟 Best kept in small groups or pairs
  • 🌿 Sifts sand through its gills while foraging for food

🏠 Aquarium & Tank Requirements

  • 📦 Minimum Tank Size: 55+ gallons
  • 🪵 Provide sandy substrate to allow natural feeding behavior
  • 🌿 Decorate with driftwood, smooth rocks, and hardy plants
  • 💡 Moderate lighting enhances metallic and red coloration

💧 Water Parameters – Threadfin Acara Care

  • 🌡️ Temperature: 76–82°F (24–28°C)
  • ⚗️ pH: 6.0–7.5
  • 💧 Hardness: Soft to moderately hard water

🍽️ Diet – Omnivorous Cichlid

  • 🐟 High-quality cichlid pellets and flakes
  • 🦐 Frozen or live foods such as bloodworms, brine shrimp, and mysis shrimp
  • 🌽 Vegetable matter and spirulina-based foods for variety

📋 Threadfin Acara Overview Table

Feature Details
🌍 Origin Amazon Basin (Brazil, Peru, Guyana)
📏 Max Size 8–10 inches
😇 Temperament Peaceful
🏠 Tank Size 55+ gallons
⚗️ pH Range 6.0–7.5
🌡️ Temperature 76–82°F
🍽️ Diet Omnivorous – pellets, frozen/live foods, vegetables
🎯 Ideal For Peaceful South American community aquariums

✨ Highlight:
The Threadfin Acara is a beautiful, peaceful cichlid with elegant flowing fins and shimmering colors, making it a standout in planted or peaceful community aquariums.

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