Hypostomus affinis

🐟 Hypostomus affinis – Hypostomus affinis

Hypostomus affinis is a medium-to-large Loricariid catfish native to South America, particularly in Brazil’s coastal river basins. Known for its armored body and sucker mouth, this species plays an important role in controlling algae growth in its natural environment. While not as brightly colored as some plecos, its mottled brown pattern and hardy nature make it a notable species in the Hypostomus genus.

🔍 Quick Facts

• 🧬 Scientific Name: Hypostomus affinis
• 🌎 Origin: Brazil (coastal river drainages)
• 📏 Max Size: ~12–14 inches (30–35 cm)
• 🧪 Lifespan: 10–15 years

🕊️ Behavior & Temperament

• Generally peaceful but may be territorial toward other large plecos
• Requires ample swimming space and hiding spots
• Can be kept in large community tanks with similarly sized or peaceful fish

🏡 Tank Requirements

• Minimum Tank Size: 75 gallons
• Driftwood and rock caves for shelter
• Sandy or smooth gravel substrate
• Moderate water movement and high oxygenation

Water Parameters:

• 🌡️ Temperature: 72–82°F (22–28°C)
• ⚗️ pH: 6.0–7.5
• 💧 Soft to moderately hard water

🍽️ Diet

• Primarily herbivorous: algae wafers, spirulina pellets, blanched vegetables (zucchini, spinach, cucumber)
• Occasionally accepts meaty foods such as bloodworms or shrimp pellets

📊 Overview Table

📝 Snippet

The Hypostomus affinis is a hardy and adaptable algae-grazing pleco from Brazil. Its large size and need for space make it best suited for well-maintained, spacious aquariums with strong filtration and plenty of plant-based food.