The figure shows the locations of newts (blue dots) and crayfish (red dots) in Crater Lake. Newts and crayfish rarely inhabit the same locations because the crayfish are aggressive and drive the newts away, or eat them.
This figure shows how deep signal crayfish are found in Crater Lake.
Why is it important to know the depths were crayfish live?
Last updated: February 28, 2015