I'm Sarah Friedman, a Hutchinson Postdoctoral Researcher in Dr. Martha Muñoz's lab at Yale University. I am broadly interested in the underlying ecological mechanisms that shape the evolution and diversification of marine fishes. My work combines aspects from functional morphology, phylogenetics, and comparative methods to lend insight into the selective pressures driving morphological diversification.


Trait Convergence


Planktivory is typically associated with strong selective pressures. We studied morphological convergence in surgeonfish that have transitioned to a planktivorous, pelagic lifestyle. For more detail, the paper can be found here.

Evolution of Fin Spines


We studied the macroevolutionary implications of predation, finding that fish tend to use fin spines to maximize their body dimension to avoid gape-limited predators. For more detail, the paper can be found here.

Body Size Macroevolution


It is well known that changes in scaling can have large effects on the ecology of organisms. However, we don't know how body size influences macroevolution. My most recent research has been focused on teasing apart some of these effects across reef fishes. For more detail, the paper can be found here.