Contact: Matt Shipman
North Carolina State University
Caption: American shad swim upstream in freshwater rivers to spawn. The fish don't feed while spawning, leading to significant weight loss (as seen here). Anything that delays their spawning journey can cause shad to lose so much weight that they die.
Credit: Joshua Raabe
Usage Restrictions: Photo credit must be given.
Related news release: Dam removal improves shad spawning grounds, may boost survival rate