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Abstract

The freshwater Prussian carp, Carassius gibelio (Bloch, 1782) is a cyprinid, known as a hazardous species for native fish communities. In the present study, some population parameters, including length-weight relationship (LWR), condition factor (KF), relation condition factor (Kn), age and growth of C. gibelio in the Azad dam, Kordestan Province, Iran were estimated. The LWR indicating a positive allometric growth pattern. The von Bertalanffy growth parameters were estimated as L=337mm, K=0.255 yr-1, t0=-0.21 yr. There was a significantly positive correlation between TL and KF (r2=0.89). The average of Kn was lower than 1 which suggested that the well-being of the fish was not good in the Azad dam region.

Keywords

Growth parameters LWR Condition factor Gold fish Invasive species.

Article Details

How to Cite
FAZLI, H., DARYANABARD, G., JANBAZ, A., MIRZAEI, R., HOSSEINPOUR, H., & VAHEDI, N. (2018). Some biological characteristics of Carassius gibelio (Bloch, 1782) (Teleostei: Cyprinidae) in the Azad dam Lake in Western Iran. Iranian Journal of Ichthyology, 5(3), 243–249. https://doi.org/10.22034/iji.v5i3.254

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