| trace element concentrations in proteocephalus macrocephalus (cestoda) and anguillicola crassus (nematoda) in comparison to their fish host, anguilla anguilla in ria de aveiro, portugal. | the use of some fish parasites as bioindicators of heavy metal pollution has been demonstrated as particularly adequate due to their capacity of bioconcentration. this study evaluated the effect of proteocephalus macrocephalus on the accumulation of trace elements in the edible fish, anguilla anguilla, in a contaminated area in portugal (ria de aveiro). also, the model p. macrocephalus/a. anguilla was assessed as a bioindicator system in the presence of the highly prevalent nematode anguillicola ... | 2009 | 19010518 |