Diets of yellow perch (perca flavescens) in wetland habitats of saginaw bay, lake huron

Aaron D. Parke, Donald G. Uzarski, Carl R. Ruetz, Thomas M. Burton

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


We examined diets of yellow perch (Perca, flavescens) from wetlands of Saginaw Bay, Lake Huron during 2004. Stomach contents of 113 yellow perch were examined (70 age 0 and 43 age 1). Among fish prey, small yellow perch, minnows (Cyprinidae), and small largemouth bass (Microptents salmoides) had the largest frequencies of occurrence in age-l yellow perch diets. However, yellow perch seemed to exhibit low selectivity among fish prey. Macroinvertebrate prey consisted primarily of diptera and amphipoda species, which they seemed to preferentially select. Yellow perch seemed to avoid gastropoda and hemiptera species. Chydoridae prey had the highest frequency of occurrence among zooplankton. Yellow perch made an ontogenetic shift from zooplanktivory to insectivory at approximately 3.5 cm standard length (SL) and then switched to piscivory at approximately 8.0 cm SL.

Original languageEnglish
Pages (from-to)347-355
Number of pages9
JournalJournal of Freshwater Ecology
Issue number3
StatePublished - Sep 2009


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