The importance of parasite mortality in regulating the population size of the acanthocephalan Pomphorhynchus laevis in goldfish.
D000049:Acanthocephala / Q000254:growth & development / Q000502:physiology*; D000818:Animals; D003530:Cyprinidae; D005260:Female; D005393:Fish Diseases / Q000209:etiology; D006374:Helminthiasis, Animal; D008297:Male; D011156:Population Density; D013997:Time Factors