How Many Otocinclus in a 20 Gallon Tank Should You Have?

How Many Otocinclus in a 20 Gallon Tank Should You Have? - "Otocinclus Catfish on Java Fern Leaf" by aquaticmag is licensed under CC BY-SA 2.0.

Appearance and Behavior Otocinclus, commonly known as Otos or Otocinclus catfish, are small freshwater fish that are popular choices for aquariums, especially in community tanks. They belong to the Loricariidae family and are native to South America, mainly found in the Amazon River basin. Appearance Otocinclus are small fish, usually reaching a maximum size of […]