The Pygmy Cory (Corydoras pygmaeus), or Pygmy Catfish, is a small freshwater fish from the Corydoradinae sub-family.
Care Level: Beginner
Tank Setup: Freshwater, sandy with hiding spots
Minimum Tank Size: 10 gallons
Size: Up to 1 inch Pygmy corydoras should be kept in groups of 8 or more. In fact, the more of them you can add to their shoal the better. In the wild, they can be found shoaling in large numbers in the hundres.