Corydoras - Similis - 3cm

The Similis Corydoras Catfish, otherwise known as the Smudge Spot Cory inhabits the Rio Madeira Basin in Brazil.
The sexes are easy to determine as the females are generally larger than the males, have larger ventral fins and the pectoral fins are more deeply convexed posteriorly.
can grow from about 1 inch to about 2.5 inches