Bream
(Abramis brama) and Pike-perch (Stizostedion lucioperca) are freshwater fishes, they are caught
in Kaliningrad gulf, the part of Vistula gulf where runs the Pregolya river in which mouth there is pulp and paper plant – "Zeprus".
Fresh-water
fishes had significant smaller TEQ, than sea fishers. The lowest value among the investigated fishes has Pike-perch, a little
bit greater
value, probable due to the greater fat content was is found in a bream.
It
is difficult to compare PCDD/Fs profile in sea and freshwater fishes due to in last ones
most of congeners
were below detection limits. But on the other hand, detectable congeners in Bream and Pike-perch were also most intensive in
sea fishers; it
is glance indicates that could have at least one similar source of contamination.