14 Linear mixed models

This is a big, fat yellow perch . It has grown large by eating invasive rusty crayfish (I made that up - Worst Stats Text eveR). Those rusty crayfish have grown large by eating in our local streams. If we had samples of crayfish from lots of different streams we could find out which rusty crayfish grow the fattest and how this translates to where they are having the biggest impacts. It’s crayfish all the way down this time.