Snook Are Moving North, and Scientists Want to Know Why Snook Are Moving North, and Scientists Want to Know Why Scientists are studying the migration patterns of this Florida sportfish to protect its habitat In February, Duke Energy and University of Florida teammates caught and tagged 20 redfish at Duke Energy's Crystal River Energy Complex, where Charlie Martin will monitor how the fish move in the power plant's discharge canal as part of a new study with the Florida Fish and Wildlife Conservation Commission. The team installed three acoustic receivers in the canal and tagged each of the fish so that their movements are recorded when they pass the receivers.