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Metazoan parasites of Geophagus brasiliensis (Perciformes: Cichlidae) in Patos lagoon, extreme south of Brazil

Overview of attention for article published in Revista Brasileira de Parasitologia Veterinária, December 2015
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Title
Metazoan parasites of Geophagus brasiliensis (Perciformes: Cichlidae) in Patos lagoon, extreme south of Brazil
Published in
Revista Brasileira de Parasitologia Veterinária, December 2015
DOI 10.1590/s1984-29612015075
Pubmed ID
Authors

Gabriela Lopes Rassier, Tatiana Cheuiche Pesenti, Joaber Pereira Júnior, Diego Silva da Silva, Emília Welter Wendt, Cassandra de Moraes Monteiro, Maria Elizabeth Aires Berne

Abstract

This study has evaluated the parasitic fauna of 79 pearl cichlids (Geophagus brasiliensis) from the estuary of Patos Lagoon (31° 57' S and 52° 06' W), Rio Grande do Sul, Brazil, during the months of May and June in 2011 and 2012. All the hosts analyzed were infected with at least one species of parasite. A total of eleven metazoa were identified in 459 specimens collected. The trematode Austrodiplostomum compactum (34.2%) and ergasilids Ergasilus lizae (32.9%) and Gauchergasilus lizae (32.9%) were the most prevalent species. The trematodes Thometrema overstreeti and Posthodiplostomum sp. had significantly higher prevalence in fish longer than 20 cm. The sex of the host had no effect on parasite prevalence and abundance. Pearl cichlids are registered as a new host for the trematodes Lobatostoma sp., Homalometron pseudopallidum and Thometrema overstreeti, for the ergasilids Ergasilus lizae and Gauchergasilus euripedesi and for the argulid Argulus spinolosus. The crustacean E. lizae is recorded in Rio Grande do Sul for the first time.

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Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 4 40%
Researcher 1 10%
Student > Doctoral Student 1 10%
Student > Ph. D. Student 1 10%
Unknown 3 30%
Readers by discipline Count As %
Environmental Science 1 10%
Pharmacology, Toxicology and Pharmaceutical Science 1 10%
Biochemistry, Genetics and Molecular Biology 1 10%
Earth and Planetary Sciences 1 10%
Medicine and Dentistry 1 10%
Other 1 10%
Unknown 4 40%