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The relationship between fish size and otolith dimensions of stargazer (Uranoscopus scaber) in the south-eastern Black Sea

Published online by Cambridge University Press:  31 March 2014

N. Erdoğan Sağlam ,
C. Sağlam  and
Y. Demir Sağlam
N. Erdoğan Sağlam*
Affiliation:
Ordu University, Fatsa Faculty of Marine Sciences, Fatsa/Ordu, 52400-Turkey.
C. Sağlam
Affiliation:
Ege University, Faculty of Fisheries, Bornova/İzmir, 35040-Turkey
Y. Demir Sağlam
Affiliation:
Ordu University, Fatsa Faculty of Marine Sciences, Fatsa/Ordu, 52400-Turkey.
*
Correspondence should be addressed to: N. Erdoğan SağlamOrdu University, Fatsa Faculty of Marine Sciences Fatsa/Ordu, 52400-Turkey email: [email protected]
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Abstract

Relations between fish size and otolith size of stargazer (Uranoscopus scaber) were studied in this study. A total of 268 samples were obtained from the coastal shelf of Ordu Province (south-eastern Black Sea) by commercial trawling and gillnetting operations. It was found that there were high correlations between fish size and otolith size. It was concluded that all measurable body sizes could be effectively used to estimate otolith length, width and weight. Similarly, estimation of the age of fish from otolith length and weight was also possible with high significance. The results of this research will be useful for others working on this fish, being a first study in the field. The ages of stargazer were determined between 0+ and 4+. Relationships were determined as OW = 0.001 × OWi2.76, OW = 0.35 × 10−3 × OL2.54 with high correlation coefficients of r = 0.965 and r = 0.949, respectively.

Keywords

Uranoscopus scaber (stargazer)Black Seaotolith–fish size relationshipage
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 94 , Issue 5 , August 2014 , pp. 1041 - 1045
Copyright
Copyright © Marine Biological Association of the United Kingdom 2014 

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