| parasites of native and exotic freshwater fishes in south-western australia. | in this study, 1429 fishes of 18 different species (12 native and six exotic) were sampled from 29 localities to compare the levels of parasitism between native and exotic fish species and to examine the relationship between environmental degradation and parasite diversity. forty-four putative species of parasites were found and most of these appear to be native parasites, which have not previously been described. two parasite species, lernaea cyprinacea and ligula intestinalis, are probably int ... | 2010 | 20557630 |