Eyes may be the window to the soul, but for Willy Bemis, professor of ecology and evolutionary biology, teeth say a great deal about an animal’s diet. The tiny steak knife–like serrations of the blue shark are suited for eating small fish; the larger serrations of the white shark, for marine mammals. The tiger shark tooth (above) has a distinct can opener shape as well as secondary serrations composed of an enamel-like material tailored for the bony plates of turtle shells. Photo by Joshua K. Moyer.
This article was originally published in periodiCALS, Vol. 6, Issue 2, 2016. Text by David Nutt and Amanda Garris, Ph.D. ‘04