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1 August 2004 Helminth Parasites of Chapalichthys encaustus (Pisces: Goodeidae), an Endemic Freshwater Fish From Lake Chapala, Jalisco, Mexico
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Abstract

A total of 6 helminth species were recorded during helminthological examination of 50 Chapalichthys encaustus from Lake Chapala, Jalisco, Mexico. Helminth species identified included: Salsuginus sp. (an undescribed monogenea); Posthodiplostomum minimum (metacercariae); Cyclustera ralli (metacestode); Polymorphus brevis (cystacanth); Contracaecum sp. (nematode larvae); and Rhabdochona lichtenfelsi (adult nematode). Of these, 2 (Salsuginus sp. and R. lichtenfelsi) are specialist species. The observed species richness, individual parasite abundance, and diversity were low. Data suggest that host specificity is an important factor contributing to observed community composition and richness. Host feeding habits and helminth species availability seem to determine the characteristics of these helminth assemblages.

Andrés Martínez-Aquino, Guillermo Salgado-Maldonado, Rogelio Aguilar-Aguilar, Guillermina Cabañas-Carranza, and Mirza P. Ortega-Olivares "Helminth Parasites of Chapalichthys encaustus (Pisces: Goodeidae), an Endemic Freshwater Fish From Lake Chapala, Jalisco, Mexico," Journal of Parasitology 90(4), (1 August 2004). https://doi.org/10.1645/GE-255R
Published: 1 August 2004
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