The Julii Cory Corydoras juliiis a beautiful, ideal aquarium fish that is loved by aquarium hobbyist for their attractive appearance and personalities. It is also known as Julii Cory, Julii Catfish and inspired by its looks it is also called the Leopard Catfish or Leopard Corydoras. It is indigenous to the lower Amazon region, primarily the Parnaíba River of Brazil. It inhabits in flooded forest regions, small creeks, sandy pools, coastal rivers and their small tributaries. They are schooling fish and they typically form school with 20 to 30 individuals.