Otocinclus Peru (Otocinclus affinis variant) – Peaceful Algae-Eating Catfish

🐟 Otocinclus Peru (Otocinclus affinis variant) – Peaceful Algae-Eating Catfish

Description: The Otocinclus Peru is a small, peaceful catfish highly valued as one of the best natural algae eaters for freshwater aquariums. Known for their gentle temperament and hardworking nature, these fish help control algae without harming plants. Native to South America, Otocinclus thrive in planted community aquariums, where they forage constantly on glass, driftwood, and leaves. Best kept in groups, they are perfect companions for nano and community setups.

Care Information

• Scientific Name: Otocinclus affinis (Peru variant)
• Care Level: Easy to Moderate
• Temperament: Peaceful, schooling
• Max Size: ~1.5–2 inches (4–5 cm)
• Tank Size: Minimum 10–15 gallons
• Diet: Primarily herbivorous – algae, biofilm, algae wafers, blanched veggies
• Water Parameters:
• Temperature: 72–80°F (22–27°C)
• pH: 6.5–7.5
• Soft to moderately hard water

❓ FAQ

Q: Do Otocinclus Peru eat algae?
A: Yes, they are excellent algae grazers and help keep aquariums clean.

Q: Should they be kept in groups?
A: Yes, they are schooling fish and do best in groups of 4–6 or more.

Q: Are they safe for planted tanks?
A: Absolutely, they are plant-safe and will not damage live plants.

Q: Are they good for shrimp tanks?
A: Yes, they are completely peaceful and shrimp-safe.