The Green Oto is a small, peaceful armored catfish native to South America. Known for its delicate greenish coloration and excellent algae-eating habits, it is a popular choice for nano tanks and planted aquariums.
Water Parameters:
🏷️ Feature | 📋 Details |
---|---|
🆔 Common Name | Green Oto |
🧬 Scientific Name | Hisonotus aky |
🌍 Origin | South America — Paraguay & Paraná basins |
📏 Max Size | Up to 1.5 in (4 cm) |
🕊️ Temperament | Peaceful, social |
🛁 Tank Size | 10+ gallons |
⚗️ pH Range | 6.5–7.5 |
🌡️ Temperature | 72–79°F (22–26°C) |
🍽️ Diet | Omnivorous |
🐠 Ideal For | Nano tanks, planted community aquariums |
The Green Oto (Hisonotus aky) is a tiny, peaceful algae-eating catfish perfect for small, planted tanks. Its social nature means it thrives in groups and adds gentle activity to any nano aquarium.