بعض القياسات الحياتية لسمكتي الحمري و الخشني في نهر دجلة ضمن منطقتي الشرقاط و سامراء صلاح الدين العراق

الملخص EN

The current study carried out in the Tigris River within two regions of Al-Sharqat (first station) and Samarra (second station) / Salah Aldin from the period of December 2017 to May 2018.

The study include some biological aspects (length-weight relationships, condition factor and food) for two freshwater fish species (Carasobarbus luteus and Planiliza abu).The Differences in b value and condition factor were found between the two species within sex and region.

The food contents included seven types of food for C.

luteus (plant parts seeds ,organic material, diatoms ,crustaceans, insect parts , sand and clay grains and algae) and five for P.

abu (plant parts and seeds, organic materials, diatoms, sand and clay grains and algae) , The plants parts and their seeds were the main food content and the percentage of food components varied according to the species, stations, sex and months.