Heavy metals in the muscle and bone of some fish species from the Red Sea

Abstract EN

-.

Samples 'o f Pugurus IIlII liml .

Uc/01/l' cIW1'{/ /Il .

Ncmiptcrus jopo ni cus, Vpl'I"'lIS molucccnsis, SCI/filS gibbus, Albu!a glossodo nta (Ghurdaga ) and A Cl/1//I /IIpl/gl'IIs biiusriatus, /'Il'I 'IlI/' oPO/llHS1/111('1111//11.1' (Suez Hay ) wer e co llect ed from Red Sea a nd th eir mu scle and bone were a na lyzed by AAS for som e heavy rnc tals (Cr.

Mn .

Fe .

Co.

Cu a nd Pb ).

T he results showed that the high l'st lev el s in mu scle we re found in VPCl/l'IIS molu cccnsis and th e lowe st in Plectorop omus maculutus co llec ted from G hu rd uga and Suez.

resp ecti vely .

Hea vy met al s in bone showed also el evated levels in U p CII CHS /Il01HCCl'lIsis an d Ncmipu-rusjuponicus both from G hurdugu co mpa red with th e low er val ue s in A 1111/11/ glosso do nta .

Co mpariso n amo ng sp ecies of fam ily Spa ridac for samples co llect ed from Su ez Bay tAcanthop og rus hijllsciall/s) and fro m Ghurduga (1'I/gHrl/.1 halJara ) , showed that th e form er species exhibited higher lev el of Cu ( 1 -1 tim es ).

Ph ( 1,-1 times) and Cr (2.3 tim es) th an th e lat er o ne.

while Fe a nd Co sho wed low e r Lonccntrurions .

Mea n co nce ntr at io ns o f heavy met als wer e lower in th e musc le th an in the bo ne .

The ra tio (bone/muscle) is high est fo r co balt a nd ch romium and low est for iro n , Th e rcl.uion-hip between body size and co nccn trn tio n o f he a vy met als gives a sig nifica nt pos itive co rr el ati o n for Mn in th e muscle as Il ell as Mn and Co in the bone of I'u gurus IIIII l i,ra collected fro m Ghurdaga , while Cr showed negat ive correlation .

/vcaruliopugrus bija sciatus co llected from Sue z sho wed sig ni fica nt po siti ve corr ela t ion with Fe and Ph in mu scle .

while th e ho ne showed insignificant relatio nship .

O ur results reveal much lower valu e, lor th e to xic met als tha n th ose o f Provisional Tol eruble Weekly Intak e ( !''!WI) and th e Na tional Health and Medi cal Resear ch Co uncil (N HMRC) s ta