| mediterranean diplodus annularis (teleostei: sparidae) and its brain parasite: unforeseen outcome. | patterns of parasite load and aggregation of the bird trematode cardiocephaloides longicollis in its main intermediate host in the mediterranean, the annular sea bream, diplodus annularis, were studied in a large sample collected off valencia (spain) and are discussed within the context of the parasite induced host mortality hypothesis. the metacercariae were located within large composite cysts of host origin in the ventricles of the optic lobes of the cerebrum. a weak immunological response wa ... | 2005 | 15982922 |