Phase I Luteus Pleco/Golden Sailfin Pleco - (Hypostomus Luteus)

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

The Phase I Luteus Pleco, also known as the Golden Sailfin Pleco, (Hypostomus luteus) is one of the most sought-after plecos in the aquarium hobby. Known for its vibrant yellow coloration, striking dorsal fin, and unique phase-changing ability, this species is a true showpiece for serious collectors.

Native to the fast-moving, rocky rivers of South America, the Luteus Pleco is prized for both its beauty and its fascinating color transformation. This species can go through three distinct color phases during its lifetime:

• Phase I: Darker body with yellowish accents
• Phase II: Brighter golden coloration, often with more even tone
• Phase III: Full, rich golden body with intense color saturation

One of the most intriguing facts about the Luteus Pleco is that it can be in any phase at almost any size, and nobody knows exactly when or why they change from one phase to another. This mystery adds to the excitement and rarity of owning one.

🔎 Quick Facts – Phase I Luteus Pleco

• 📛 Common Name: Luteus Pleco, Golden Sailfin Pleco
• 🔬 Scientific Name: Hypostomus luteus
• 🌍 Origin: South America – Uruguay River Basin
• 🎨 Appearance: Darker base in Phase I, transitions to golden yellow in later phases
• 📏 Max Size: 12–14 inches (30–35 cm)
• 💎 Availability: Highly prized South American pleco for sale

😇 Behavior & Temperament

• 🤝 Generally peaceful with most tankmates of similar size
• 🌿 Can help with algae control but also enjoys prepared foods
• 🌊 Requires strong current and high oxygenation
• 🪵 Appreciates rocky caves and driftwood for hiding

🏠 Tank Requirements – Luteus Pleco Care

• 📦 Minimum Tank Size: 75+ gallons
• 🌊 Strong water movement with excellent filtration
• 🪵 Provide driftwood, rocky caves, and open swimming areas
• 🌿 Works well in river-style aquariums

💧 Water Parameters

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

🍽️ Diet (Omnivorous)

• 🌿 Vegetables such as zucchini, cucumber, and spinach
• 🍤 Protein sources: bloodworms, shrimp, sinking carnivore pellets
• 💊 Spirulina-based wafers and high-quality pleco foods

🔍 Sexing

• Males may have larger odontodes along the pectoral fin rays
• Females tend to have a rounder body when mature

📋 Overview Table – Phase I Luteus Pleco Care

✨ Highlight:
The Phase I Luteus Pleco isn’t just a beautiful fish—it’s an ever-changing, living piece of art. With its mysterious Phase I to Phase III transformation, each specimen offers a unique surprise for dedicated aquarists and pleco enthusiasts.