Soft dentin results in unique, naturally bendable teeth in scraping catfish

1 Evolutionary Morphology of Vertebrates, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium 2 Evolutionary Developmental Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium 3 Nematology Unit, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium 4 Department of Materials Science and Engineering, Ghent University, Technologiepark 903, B9052 Zwijnaarde, Belgium 5 Department of Physics and Astronomy, Ghent University, Proeftuinstraat 86, 9000 Gent, Belgium