Trout in Port Fourshon

Trout change direction and swim around a piling in a
small tidal channel where water depth is less than 1 m. DIDSON picks up many details in the fishes body
structure. Lines flashing through the clip are generated
by a split-beam sonar being used at the same time.

Courtesy of Kevin Boswell, Ph.D.,
Department of Oceanography & Coastal Sciences, Louisiana State University, Baton Rouge, Louisiana