Diet assimilation trends and host-parasite relationships in two species of sunfish (Lepomis) revealed by stable isotope analyses of multiple tissues.

White grub flukes, Posthodiplostomum minimum centrarchi (Trematoda), and hookworms Pomphorhynchus bulbocolli (Acanthocephala) are common internal parasites for many North American freshwater fishes. P. minimum are found as cysts in internal organ tissues, while P.