✅ Otocinclus Catfish or Otocinclus Arnoldi may be the best scavengers that exist for freshwater aquariums! These little guys eat algae just like our Siamese Algae Eaters, so both are very popular for tackling an annoying algae problem before it gets out of control.
✅ The Otocinclus Arnoldi is a small freshwater fish that can grow about 3 – 4.5cm when fully mature. These quick and agile swimmers can dart from one end of the tank to another in an instant, making them ideal for smaller aquariums or tanks with slower moving inhabitants.
- You’ll need an aquarium filter capable of cycling at least four times per hour (GPH) and with mature nitrate levels between 0-20ppm
- No measurable ammonia or nitrite should be present either.
- Otos prefer water with a stable pH that is slightly acidic (6-7.5).
- The temperature inside their tanks should average about 22°C – 28°C degrees Celcius, allowing them to thrive year round without sustaining damage from changes in heat level outside.
✅ Size: from 4cm
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