Corydoras fulleri, Fuller's cory, formerly called undescribed taxa C115 or C116, is a tropical freshwater fish belonging to the subfamily Corydoradinae, the corys, of the family Callichthyidae, the armoured catfishes. This species is lnown only from two tributaries of the rÃÂo Manuripe and a tributary of the rÃÂo Madre de Dios, rio Madeira basin, Peru. It lives in a tropical climate in water with a temperature range of .
Corydoras fulleri is distinctive owing to it having two pores within its supraorbital canal, three series of teeth on the upper tooth plate of the branchial arch, and, a small fleshy flap at the corner of the mouth, ventral to the maxillary barbel. It has a well developed and conical snout which frames a slightly concaved head shape from the tip of the snout to the anterior nares. Males will grow in length up to , while females will reach around .
It feeds on worms, benthic crustaceans, insects, and plant matter.
Corydoras fulleri is named in honour of Ian Fuller, an aquarist and owner of Corydoras World, a website and knowledge base dedicated to corydoradine catfish.