The validation of different growth models of randall's threadfin bream, nemipterus randalli (Russell, 1986), in northeastern mediterranean Sea | [Pakistan Journal of Zoology • 2020]

Author(s):

1. Sevil Demirci: Iskenderun Technical University, Faculty of Marine Sciences and Technology, Department of Marine Technologies,31200, Iskenderun-Hatay/,Turkey

2. Aydın Demirci: Iskenderun Technical University, Faculty of Marine Sciences and Technology, Department of Marine Technologies,31200, Iskenderun-Hatay/,Turkey

3. Emrah Şimşek: Iskenderun Technical University, Faculty of Marine Sciences and Technology, Department of Marine Technologies,31200, Iskenderun-Hatay/,Turkey

Abstract:

The study was conducted to determine the age and the growth of the Lessepsian migrant Randall's threadfin bream, Nemipterus randalli (Russell, 1986). A total of 587 samples were collected from the eastern Mediterranean coast of Turkey between February 2012 and January 2013. Total length and total weight ranged from 7.7 to 21.0 cm and from 6.90 and 150.99 g, respectively. Length-weight relationship parameters were calculated for all individuals as a= 0.0106 and b= 3.09, and isometric growth was determined. The population constituted five age-classes (0-IV years). Four growth models used to identify the growth characteristics were von Bertalanffy, Logistic, Richards, and Gompertz growth models. Growth type of Randall's threadfin bream has rapid property; hence the fish population may be continued increasing in the Iskenderun Bay and other of Eastern Mediterranean regions.

Page(s): 1113-1119

DOI: 10.17582/journal.pjz/20180327130349

Published: Journal: Pakistan Journal of Zoology, Volume: 52, Issue: 3, Year: 2020

Keywords:

Invasive fish , Eastern mediterranean , Growth model

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