Aspidoras lakoi is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America, and is found in the upper Paraná River basin in Brazil. The fish will grow in length up to 4.0 centimetres (1.6 inches). It feeds on worms, benthic crustaceans, insects, and plant matter. It lays eggs in dense vegetation and adults do not guard the eggs.