The search for blue catfish

Detailed Description
The search for blue catfish
Result of low-frequency electrofishing on the tidal Potomac River near Washington DC. This photograph was taken using a GoPro camera mounted on a 20 ft. staff. This configuration was used to acquire an accurate count of all blue catfish affected by the electric current before they recover from galvanotaxis.
Details
Image Dimensions: 1056 x 816
Location Taken: US