ChasmocranusChasmocranus is a genus of three-barbeled catfishes native to South America.SpeciesThere are currently 10 recognized species in this genus:Chasmocranus brachynema A. L. Gomes & Schubart, 1958Chasmocranus brevior C. H. Eigenmann, 1912Chasmocranus chimantanus Inger, 1956Chasmocranus longior C. H. Eigenmann, 1912Chasmocranus lopezi P. Miranda-Ribeiro, 1968Chasmocranus peruanus C. H. Eigenmann & N. E. Pearson, 1942Chasmocranus quadrizonatus N. E. Pearson, 1937Chasmocranus rosae C. H. Eigenmann, 1922Chasmocranus surinamensis Chasmocranus truncatorostris Borodin, 1927