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Güneydoğu Karadeniz’deki (Türkiye) İskorpit Balığının (Scorpanea porcus, Linneaus 1758) Cinsiyet, Yaş ve Büyümesi
(Sex, Age and Growth of Scorpion Fish (Scorpanea porcus, Linneaus 1758) from The Southeastern Black Sea (Turkey) )

Author : Serap SAMSUN  Naciye ERDOĞAN SAĞLAM  
Type :
Printing Year : 2018
Number : 2018-3
Page : 278-285


Summary
Araştırmada, güneydoğu Karadeniz’de Mart 2012-Nisan 2013 tarihleri arasında örneklenmiş 316 adet iskorpit (Scorpanea porcus, Linneaus 1758) balığının büyüme, yaş ve cinsiyet kompozisyonu çalışılmıştır. S. porcus bireylerinin yaşı 0 ile 7 arasında değişmekte olup en fazla birey 2 yaş grubunda bulundu (% 55.06). Ortalama total boy ve ağırlıklar sırasıyla 12.90±0.19 cm ve 50.51±2.84 g olarak tespit edildi. Boy-ağırlık ilişkisi dişi, erkek ve genel olarak, W=0.0154*L3.1017, W=0.0193*L2.9897, W=0.0189*L3.0122 şeklinde belirlendi. Tüm bireyler için Von Bertalanffy’nin boyca büyüme parametreleri L?=40.52 cm, K=0.098 yıl-1, t0=-1.764 yıl şeklinde hesaplandı. Büyüme performansı indeksi (Ø) 2.21 olarak belirlendi. Mevsimsel olarak hesaplanan GSİ değeri dişiler için 3.45±0.563, erkekler için ise 1.65±0.284 olup en yüksek GSİ değeri yaz mevsiminde tespit edildi.

Turkish Keywords
Büyüme, yaş, İskorpit balığı, Scorpanea porcus, Karadeniz

Abstract
The growth, age and sex of the scorpion fish (Scorpanea porcus, Linneaus 1758) were studied using 316 fishes collected from Southeastern Black Sea during the period of March 2012 to April 2013. Age of S. porcus was found between 0 and 7 years and the age group 2 was detected dominant (55.06%). We carried out that the mean total length and weight of the specimens were observed 12.90±0.19 cm and 50.51±2.84 g, respectively. The length-weight relationship for female, male and both sexes were calculated as W=0.0154*L3.1017, W=0.0193*L2.9897, W=0.0189*L3.0122. Von Bertalanffy growth parameters considering all individuals were L?=40.52 cm, K=0.098 year-1, t0=-1.764 year. The growth performance index (Ø) was determined as 2.21. The average seasonal GSI of the stock was calculated as 3.45±0.563 for females 1.65±0.284 for males and the maximum value of the GSI was observed in summer.

Keywords
Growth, Age, Scorpion fish, Scorpanea porcus, Black Sea

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