Diversity of parasites of fish from the Upper Paraná River floodplain, Brazil

Brazilian Journal of Biology

Rm. Takemoto¹  Gc. Pavanelli¹  Map. Lizama¹  Acf. Lacerda¹  Fh. Yamada¹  Lha. Moreira¹  Tl. Ceschini¹  S. Bellay¹ 

[1] ,Universidade Estadual de Maringá Laboratório de Ictioparasitologia , Núcleo de Pesquisas em Limnologia, Ictiologia e AquiculturaMaringá PR ,Brazil

关键词: ichthyoparasites;    biodiversity;    helminthes;    crustaceans;    parasite ecology;    ictioparasitos;    biodiversidade;    helmintos;    crustáceos;    ecologia de parasitos;   

DOI  :  10.1590/S1519-69842009000300023

来源: SciELO

【 摘 要 】

The aim of the present study was to provide a current survey of the species of parasites found in the Upper Paraná River floodplain, as well as to investigate which strategies and mechanisms used by parasites, are favored and which environmental factors influence the parasite community in the studied environments. During a seven-year period from February 2000 to September 2007, 3,768 fish belonging to 72 species were collected and analyzed for the purpose of studying the parasite fauna. A total of 337 species of parasites were reported, including 12 new descriptions: one myxosporid, Henneguya paranaensis Eiras, Pavanelli and Takemoto, 2004; eight monogeneans, Kritskyia annakohnae Boeger, Tanaka and Pavanelli, 2001; Kritskyia boegeri Takemoto, Lizama and Pavanelli, 2002; Kritskyia eirasi Guidelli, Takemoto and Pavanelli, 2003; Demidospermus labrosi França, Isaac, Pavanelli and Takemoto, 2003; Demidospermus mandi França, Isaac, Pavanelli and Takemoto, 2003; Pseudovancleaveus paranaensis França, Isaac, Pavanelli and Takemoto, 2003; Tereancistrum curimba Lizama, Takemoto and Pavanelli, 2004 and Tereancistrum toksonum Lizama, Takemoto and Pavanelli, 2004; two digeneans, Sanguinicola platyrhynchi Guidelli, Isaac and Pavanelli, 2002 and Dadayius pacupeva Lacerda, Takemoto and Pavanelli, 2003 and one cestode, Nomimoscolex pertierrae Chambrier, Takemoto and Pavanelli, 2005. In addition, several other species were reported for the first time in new hosts or in the floodplain. Monogeneans presented the highest number of species, followed by digeneans. The infection site with the highest species richness was the intestine, with 127 species.

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