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Threespot Headstander - (Pseudanos trimaculatus)
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Threespot Headstander - (Pseudanos trimaculatus)

$15.00
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Threespot Headstander - (Pseudanos trimaculatus)
Fish Details, Description and Information Below:

🐟 Threespot Headstander – (Pseudanos trimaculatus) – Active South American Freshwater Fish for Sale

The Threespot Headstander (Pseudanos trimaculatus) is a lively and unique South American freshwater fish named for its habit of swimming at a head-down angle while grazing on surfaces. Found in rivers and floodplain waters of the Amazon Basin, it is easily recognized by its three distinct black spots along the sides of its streamlined silver-gold body. Peaceful yet active, the Threespot Headstander thrives in groups and makes a fascinating addition to large community aquariums with similarly sized tankmates.


🔎 Quick Facts – Threespot Headstander (Pseudanos trimaculatus)

  • 📛 Common Name: Threespot Headstander
  • 🔬 Scientific Name: Pseudanos trimaculatus
  • 🌍 Origin: Amazon Basin (South America)
  • 🎨 Appearance: Silver to golden body with three bold black spots; streamlined shape with upturned mouth
  • 📏 Max Size: 6–8 inches (15–20 cm)
  • 💎 Availability: Occasionally available; sought after for unique swimming posture

😇 Behavior & Temperament

  • 🤝 Peaceful schooling species; best kept in groups of 5 or more
  • 🪱 Constant grazer; feeds on algae, biofilm, and plant matter
  • 🐟 Active midwater swimmer with distinctive head-down posture

🏠 Aquarium & Tank Requirements

  • 📦 Minimum Tank Size: 55+ gallons for a group
  • 🪵 Provide open swimming areas with driftwood and smooth rocks for grazing
  • 🌿 Hardy plants or artificial décor recommended (may nip delicate plants)
  • 💡 Moderate lighting to promote natural grazing behavior

💧 Water Parameters – Threespot Headstander Care

  • 🌡️ Temperature: 75–82°F (24–28°C)
  • ⚗️ pH: 6.0–7.5
  • 💧 Hardness: Soft to moderately hard water

🍽️ Diet – Omnivorous Grazer

  • 🌿 Algae wafers, spirulina flakes, blanched vegetables
  • 🐟 High-quality flake or small sinking pellets
  • 🦐 Occasional frozen foods such as bloodworms and brine shrimp
  • 🐟 Give your fish the best with the same high-quality nutrition we use every day! 🐟 At Jason’s Plecos & Cichlids, we feed a balanced mix of protein-rich and vegetable-based fish foods to keep our plecos, cichlids, and other tropical fish healthy, active, and thriving. These premium fish foods are specially formulated to enhance natural color, promote strong growth, and support long-term health—making them a trusted choice for aquarium hobbyists worldwide.
    • Fluval Bug Bites Pleco Formula
    • Fluval Bug Bites Tropical
    • Hikari Massivore Delight
    • Hikari Massivore Delight
  • 🐟 By purchasing through these links, you not only provide your fish with top-quality nutrition but also help support our mission to bring hobbyists the best in fish care. ✨ Click the links above to shop now and give your fish the nutrition they deserve! We earn a small commission for each sale.

📋 Threespot Headstander Overview Table

Feature Details
🌍 Origin Amazon Basin, South America
📏 Max Size 6–8 inches
😇 Temperament Peaceful schooling fish
🏠 Tank Size 55+ gallons
⚗️ pH Range 6.0–7.5
🌡️ Temperature 75–82°F
🍽️ Diet Omnivorous – algae, pellets, vegetables, frozen foods
🎯 Ideal For Large peaceful community tanks, South American biotopes

✨ Highlight:
The Threespot Headstander is an active, peaceful, and uniquely postured fish that brings constant motion and natural algae control to large community aquariums.

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