Trace metals content in three fish species from Northern part of the Suez Gulf, Red Sea, Egypt

Abstract EN

-Sumpl cs of Sardinclla gibbosa.

Saurula sr.

a nd Epincphclus s r .

were collecte d from the Sue z G ulf (Red Sea ) a nd th e ir orga ns were ana lyze d by name a to mic a hso rptio n spect rophotornctc r for so me trace met als (cadmium , lead .

co ppe r a nd zinc) .

The results showe d th a t th e metals uccum ula te in th e othe r or gans tu grea ter ex te nt than in the mu scle .

The lowest accumula ted metal is cadmium.

whi le th e highest is zinc .

Th e elevated lev els of zinc in Sar· din ella gibbosa and Epinephelus sr.

wer e attributed to th e intake of fuud from the polluted e nviro nme nt (area of oi l fields) .

On th e o the r hand.

cadmium and lead recorded their highest val ues in Epinephclus sp .

and Sau rula sp .

(ca rn ivoro us fishes ) .

while zinc recor de d in pelagic fish Sardinrllu gi hho .HI (he rbivor o us fish) .

The esse ntia l c leme nts such as zinc and co r r e r a re ac cu mulate d in so ft t issues as liver and go na ds wh ile the no n-essen tial e leme nts such as lc.ul an d ca dmi um are accumulat ed in hard tissu es (bone and gills) .