Publication details

Nestedness in assemblages of gyrodactylids (Monogenea: Gyrodactylidea) parasitising two species of cyprinid - with reference to generalists and specialists



Year of publication 2000
Type Article in Periodical
Magazine / Source International Journal for Parasitology
MU Faculty or unit

Faculty of Science

Field Zoology
Keywords nestedness; host length; generalist; specialist; gyrodactylids; monogenea
Description The structure of gyrodactylid assemblages in individual fishes of two species of cyprinid was determined. A total of 100 specimens of minnow, Phoxinus phoxinus, and 137 specimens of roach, Rutilus rutilus, were investigated for presence of gyrodactylids. Host specificity, specialists vs. generalists, was noted in each host fish. A nested pattern was recorded in parasite assemblages of minnow, the host with a dominant number of specialist gyrodactylids. A non-nested pattern was observed in parasite assemblages of roach, the host with a dominant number of generalist gyrodactylids. The host specificity appears to be a meaningful factor thath determines the pattern of gyrodactylid assemblages of both fish hosts.
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