Determination of the metal uptake and sorption mechanisms in the tissues of Faxonius limosus (Rafinesque, 1817) (Decapoda: Cambaridae) found in Danube river basin of Serbia
This study demonstrates that the invasive crayfish *Faxonius limosus* in the Serbian Danube accumulates significant levels of toxic metals (Cd, As, Pb, and Hg) in its tissues, highlighting its dual role as a bioindicator of sediment pollution and a potential vector for food chain risks.