Standard length measurement of walleye pollock larvae(Automatically translated subtitles are available on YouTube.)
Removal of otoliths from walleye pollock larvae(Automatically translated subtitles are available on YouTube.)
Embedding and polishing of otoliths from walleye pollock larvae(Automatically translated subtitles are available on YouTube.)
Sketches of otoliths and ring counts in walleye pollock larvae(Automatically translated subtitles are available on YouTube.)
Statistical processing of otolith ring count of walleye pollock larvae(Automatically translated subtitles are available on YouTube.)