Fishing Friday A Mystery Catch Is a lesson about an unknown fish your students caught while ocean fishing. Each student will get to identify their mystery catch using Boney Fish DICHOTOMOUS KEYS. They will work in groups of 2 and learn how to identify fish using this key. This is a life science resource. Student's will learn about their fishes eating diet, trophic levels ( low, meduim or high ranges), mouth positions (Superior Terminal Inferior), and compare them to others to see simularities/d