Photo By/Credit
Steve Martarano/USFWS
Date Shot/Created
12/07/2017Media Usage Rights/License
Public Domain
Image
Biologists Lenny Cheskiewicz, Chad Praetorius and Lyla Pirkola, prepare for another night on the water in December 2017. The crew conducts survey trawls to study the migration of green sturgeon in the upper Sacramento River. USFWS Photo/Steve Martarano