Abstract
I analyzed stomach contents of white perch, Morone americana, caught throughout the year in the Hackensack River in northern New Jersey. The dominant prey items were amphipods, with shrimp and fish being less important. Stable isotope analysis indicated that the primary producers of importance in the food web leading to white perch were benthic or planktonic microalgae and secondarily Phragmites australis, the dominant macrophyte in the Hackensack Meadowlands. Despite their large size, white perch do not generally appear to feed any higher in the food web than killifish, Fundulus heteroclitus.
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