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Phase II Luteus Pleco/Golden Sailfin Pleco - (Hypostomus Luteus) Argentina
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Phase II Luteus Pleco/Golden Sailfin Pleco - (Hypostomus Luteus) Argentina

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Phase II Luteus Pleco/Golden Sailfin Pleco - (Hypostomus Luteus) Argentina
Fish Details, Description and Information Below:

🐟 Phase II Luteus Pleco / Golden Sailfin Pleco – (Hypostomus luteus) – Argentina – South American Pleco for Sale

The Phase II Luteus Pleco, also known as the Golden Sailfin Pleco (Hypostomus luteus), is one of the most striking and highly desirable plecos in the aquarium world. With its brilliant golden-yellow coloration, towering dorsal fin, and massive size, this Argentine variant stands out as a true centerpiece fish.

Native to the Uruguay River Basin in Argentina, the Phase II Luteus is probably the most sought-after phase among the three possible stages. Here’s why:

  • 💰 Balanced Price Point: More affordable than Phase III, yet more visually impressive than Phase I.
  • 🎨 Near-Phase III Coloration: Vibrant gold tones with incredible contrast, often resembling the prized Phase III without the high price tag.
  • ⏳ Potential Upgrade: If the fish transitions to Phase III, you’ll have a top-tier pleco without paying the Phase III premium.
  • 📏 Bigger & More Impressive: Argentina specimens develop taller dorsal fins and grow over 20 inches (50+ cm)—larger than Brazilian luteus—making them more sought after and expensive.

The color contrast in Phase II is extraordinary, with vivid gold shining against subtle darker patterns, especially when viewed under quality aquarium lighting.


🔎 Quick Facts – Phase II Luteus Pleco (Argentina)

  • 📛 Common Name: Luteus Pleco, Golden Sailfin Pleco
  • 🔬 Scientific Name: Hypostomus luteus
  • 🌍 Origin: Argentina – Uruguay River Basin
  • 🎨 Appearance: Golden-yellow body with bold contrast and tall dorsal fin
  • 📏 Max Size: Over 20 inches (50+ cm) – larger than Brazilian variety
  • 💎 Availability: Highly sought-after South American pleco for sale

😇 Behavior & Temperament

  • 🤝 Peaceful to semi-territorial
  • 🌊 Thrives in strong current with high oxygenation
  • 🪵 Enjoys driftwood, caves, and rocky hiding places
  • 🍽️ Grazes on algae but requires supplemental feeding

🏠 Tank Requirements – Phase II Luteus Pleco Care

  • 📦 Minimum Tank Size: 150+ gallons for adults
  • 🌊 Powerful filtration with moderate-to-fast flow
  • 🪵 Provide large rock structures, driftwood, and hiding spaces
  • 💧 Keep water exceptionally clean for color vibrancy and health

💧 Water Parameters

  • 🌡️ Temperature: 75–82°F (24–28°C)
  • ⚗️ pH: 6.5–7.8
  • 💧 Soft to moderately hard water

🍽️ Diet (Omnivorous)

  • 🌿 Vegetables: zucchini, cucumber, spinach
  • 💊 Spirulina-based wafers, sinking algae pellets
  • 🍤 Occasional protein: shrimp, bloodworms, carnivore pellets

📋 Overview Table – Phase II Luteus Pleco Care

Feature Details
🌍 Origin Argentina – Uruguay River Basin
📏 Max Size Over 20 inches (50+ cm)
😇 Temperament Peaceful to semi-territorial
🏠 Tank Size 150+ gallons
⚗️ pH Range 6.5–7.8
🌡️ Temp 75–82°F (24–28°C)
🍽️ Diet Omnivorous – vegetables, algae, protein
🎯 Ideal For Large aquariums, advanced pleco collectors

✨ Highlight:
The Phase II Luteus Pleco (Argentina) delivers unmatched beauty, size, and potential. Its towering dorsal fin, over 20-inch growth, and near-Phase III coloration make it one of the most impressive plecos available—and a showpiece for any serious aquarist.

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