Manual marking crew at work clipping adipose fins.
The fish are sedated prior to clipping to minimize stress.
Both automated and manual tagging and marking trailers at Marion Forks Hatchery. The automated trailer is the larger of the two shown.
Inside an automated tagging and marking trailer. Note that each line can efficiently perform marking and tagging in a continuous process.
Juvenile fish in an automated trailer tray waiting to be marked and tagged.
Close up of two lines and a sorter. Notice the tubes below the cabinet are used to go from the sorter to the various tag lines in the automated trailer.