Abstract
The purpose of the current study was to determine certain mineral components in edible tissue in different species of fish from Greater Zab River, Erbil Governorate- Kurdistan Region-Iraq. A total of 180 fish namely Capoeta trutta, Chondrostoma regium and Leuciscus cephalus were collected from Gali Balinda, Bn Khiveta, Galiesule, Pirsal and Bekhme between July and November 2019. After removal of eviscerated, deboned, head and fins, fish were washed with purified water and muscle samples were collected above the lateral line between the dorsal fin and the caudal fin, then dried for important and non-essential metals examination at 750 C for 48 h. Results showed that levels of K, Na, P, Ca, Cd and Hg in the edible tissue of Chondrostoma regium fish were significantly higher than in the Capoeta trutta and Luciobarbus esocinus fish, whereas the edible tissue in Capoeta trutta exhibited the highest mean values for lead, barium and arsenic. In all species, the highest concentrations of K, Na, and Mg were recorded in Gali Balinda, whereas the highest concentration of P and Ca were recorded in Pirsal during studied period. According to the results, the government should have environmental policies to improve, keep and enrich the water quality assessment in Greater Zab River
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