University of Michigan
Michigan Sea Grant: Teaching Great Lakes Science: Fish Identification
In this lesson, students examine the physical characteristics of fish that live in the Great Lakes and identify common features that help species to survive in that environment. Downloadable resources include a fish poster, fish family...
PBS
Nova Teachers: Treasures of the Great Barrier Reef: Classroom Activity
This activity involves having students classify nine fish according to various physical characteristics. They can also develop a key to identify the fish.