تحديد بعض الصفات المظهرية لتجمعات اسماك الكارب البروسي Carassius auratus gibelioو السمك الذهبي Carassius auratus auratus في ثلاث من المسطحات المائية في محافظة البصرة

الملخص EN

A total of 206 freshwater fish was collected from three chosen stations in inland water of Basrah, including 96 specimens from Shatt Al-Arab River near Qarmat Ali, 62 specimens from Shatt Al_Arab River near Abu Al- Khaseeb city and 48 specimens from Marine science centre ponds that its fishes captured from southern part of Basrah canal.

Merestic and some morphological characterestics necessary for identification were done.

It was found all the specimens belong to Prussian carp Carassius auratus gibelio depending on acquiring 27-31 scales in the lateral line, 38-54 gill rackers, fin rays consist of five groups.

Therefore these results gave us confusion about occurrence of the crussian carp Carassius carassius in Basrah inland waters.

Five specimens of Gold fish Carassius auratus auratus from department of Fisheries and marine resources laboratory was distinguished from other close species by gold color and had 23-25 scales in the lateral line.