From left, Aquarist Gabriel Valles, Alan Katzenmeyer, ERDC Environmental Laboratory, and Aquarist Mike Sutton observe paddlefish feeding in EL’s Fish Ecology Laboratory. Valles and Sutton maintain large aquaria that house Mississippi River fishes at the Tunica Riverpark and Museum.

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Photo by: US Army Corps of Engineers |  VIRIN: 120829-A-BG264-003.JPG