Dr Barry Poulton, an aquatic entomologist at the CERC
![Dr Barry Poulton, an aquatic entomologist at the Columbia Environmental Research Center, uses a stereo microscope](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/barry.jpg?itok=Uh-0fRB6)
Detailed Description
Dr Barry Poulton, an aquatic entomologist at the Columbia Environmental Research Center, uses a stereo microscope to identify midge (Chironomidae) larvae found in the stomach of young-of-year pallid sturgeon.
Sources/Usage
Public Domain.