| the metazoan parasite communities of the argentinean sandperch pseudopercis semifasciata (pisces: perciformes) and their use to elucidate the stock structure of the host. | the use of parasites as biological tags allowed the identification of 3 stocks of argentinean sandperch, pseudopercis semifasciata (cuvier), in the argentine sea. a total of 100 specimens caught in 3 zones: villa gesell (37 degrees 15's, 57 degrees 23'w; n=20), miramar (38 degrees 03's, 57 degrees 30'w-38 degrees 44's, 58 degrees 44'w; n=30) and península valdes (42 degrees 00'-42 degrees 45's; n=50), were examined and 28 parasite species were found, 15 of them being new host records. both univa ... | 2009 | 19627631 |