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Harlequin Shark - (Labeo cyclorhynchus)
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Harlequin Shark - (Labeo cyclorhynchus)

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Harlequin Shark - (Labeo cyclorhynchus)
Fish Details, Description and Information Below:

🐟 Harlequin Shark (Labeo cyclorhynchus)

The Harlequin Shark is a striking freshwater fish known for its vibrant coloration and shark-like body shape. Despite its name, it is a peaceful species popular in larger community tanks where it has ample space to swim.


🔍 Quick Facts

  • 🆔 Common Name: Harlequin Shark
  • 🧬 Scientific Name: Labeo cyclorhynchus
  • 🧬 Family: Cyprinidae
  • 🌎 Origin: Africa — Congo River basin
  • 📏 Max Size: Up to 14 inches (35 cm)

🕊️ Behavior & Temperament

  • 🕊️ Generally peaceful but can be territorial with own species
  • 🐟 Active and fast swimmer
  • 🤝 Best kept in groups or with other large peaceful fish
  • 🏞️ Requires ample swimming space

🏡 Tank Requirements

  • 🛁 Minimum Tank Size: 100 gallons+
  • 🪨 Provide open swimming areas with some rock caves or decorations
  • 🌿 Moderate plants, preferably hardy due to occasional digging
  • 💨 Strong filtration for well-oxygenated water

Water Parameters:

  • 🌡️ Temperature: 74–79°F (23–26°C)
  • ⚗️ pH: 6.5–7.5
  • 💧 Soft to moderately hard water

🍽️ Diet

  • Omnivorous — accepts flakes, pellets, and live/frozen foods

📊 Overview Table

🏷️ Feature 📋 Details
🆔 Common Name Harlequin Shark
🧬 Scientific Name Labeo cyclorhynchus
🌍 Origin Africa — Congo River basin
📏 Max Size Up to 14 in (35 cm)
🕊️ Temperament Peaceful, territorial with own species
🛁 Tank Size 100+ gallons
⚗️ pH Range 6.5–7.5
🌡️ Temperature 74–79°F (23–26°C)
🍽️ Diet Omnivorous
🐠 Ideal For Large community tanks, peaceful groups

📝 Snippet

The Harlequin Shark (Labeo cyclorhynchus) is a peaceful and active freshwater fish from Africa’s Congo River basin, known for its distinctive shape and bright colors. Ideal for large aquariums with plenty of swimming room.

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