Isbrueckerichthys duseni

Isbrueckerichthys duseni is a species of armored catfish endemic to Brazil where it occurs in the Ribeira de Iguape River basin. This species grows to a length of 9.88 cm SL.

The fish is named in honor of Karl Hjalmar Dusén (1855-1926) a Swedish botanist and explorer, who collected the type specimen.