Broadly, I am interested in how predators affect the ecosystems they are part of. Climate change has been already been shown to influence the strength and even direction of key biotic interactions; I aim to understand how these interactions will change to make predictions about the future state of ecosystems. More specifically I focus on the assemblage of fishes in the Eel River especially Sacramento pikeminnow (Ptychocheilus grandis), a predator introduced to the Eel. I would like to document how this large mobile predator impacts and is influenced by the other members of the river food web, and how these interactions will change in a warmer possibly drier world.