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Niche preferences and spatial distribution of Monogenea on the gills of Pimelodus maculatus in Río de la Plata (Argentina)

Published online by Cambridge University Press:  01 August 1999

P. A. GUTIÉRREZ  and
S. R. MARTORELLI
P. A. GUTIÉRREZ
Affiliation:
Departamento de Biología, Universidad Caece, Av. de Mayo 1400 (1085), Buenos Aires, Argentina
S. R. MARTORELLI
Affiliation:
CEPAVE, Calle 2, 584 (1900), La Plata, Provincia de Buenos Aires, Argentina
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Abstract

Five Monogenea species were found on the gills of the catfish Pimelodus maculatus in Río de la Plata (Argentina). These were used for studying the preference of species on different gill-hemibranches, niche breadth and niche overlap between species. It was found that congeneric species had a generic-specific preference for certain gill-hemibranches. Niche breadth appeared to be related to the number of individuals of each species. Niche overlap between the species is discussed.

Keywords

Demidospermus ssp.Scleroductus yuncensiPimelodus maculatusgill-hemibranch preferencesniche breadthniche overlap
Type
Research Article
Information
Parasitology , Volume 119 , Issue 2 , August 1999 , pp. 183 - 188
Copyright
1999 Cambridge University Press

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