| metazoan parasites of geophagus brasiliensis (perciformes: cichlidae) in patos lagoon, extreme south of brazil. | 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%) we ... | 2015 | 26648010 |