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The effect of mermithid parasitism on predation of nymphal Baetis bicaudatus (Ephemeroptera) by invertebrates

Authors: Vance, S. A.; Peckarsky, B. L.
Year: 1997
Journal: Oecologia, Vol. 110, pp. 147-152
Publisher: UNKNOWN
DOI: 10.1007/s004420050143
Keywords: ANIMAL BEHAVIOR, AQUATIC BIOLOGY, BAETIS BICAUDATUS, EAST RIVER, EPHEMEROPTERA, GASTEROMERMIS, MERMITHID PARASITISM, NEMATODE, PARASITOLOGY, PREDATION, RMBL, STREAM ECOLOGY

Abstract

A number of hypotheses are presented to explain why the parasite causes increased predation on its host, including the large size of the parasite affecting the sensory abilities of the host, the larger energetic costs of escape behavior for parasitized individuals, and natural selection from fish predation against drifting behavior by Parasitized individuals.

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