Relationships of Otolith Dimensions with Body Length of European Perch Perca fluviatilis L. 1758 From Lake Ladik Turkey

The relationship between the otolith and body growth of the European perch ranging in total length from 8.7 to 25.9 cm was examined. Otolith length height and weight were recorded for each pair of sagittae. The relationships between otolith variables and fish somatic growth were described with a non...

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Published inPakistan journal of zoology Vol. 46; no. 5
Main Authors Okan, Savas Yilmaz, Semra, Yazicioglu, Saygin, Ayaydin, Polat, Nazmi
Format Journal Article
LanguageEnglish
Published Knowledge Bylanes 01.10.2014
Subjects
Brackish
Perca fluviatilis
Perch
Physiological aspects
Turkey
MED, Turkey
Pakistan
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Summary:The relationship between the otolith and body growth of the European perch ranging in total length from 8.7 to 25.9 cm was examined. Otolith length height and weight were recorded for each pair of sagittae. The relationships between otolith variables and fish somatic growth were described with a non-linear function (power model). An analysis of covariance revealed differences in these relationships between females and males. The measurement most strongly related to fish body length was the otolith weight with 87.5% of the variability in females and the otolith length with 82.9% in males. The mean percent prediction errors were less than 8%. Therefore the results confirmed that otolith growth reflected somatic growth but that differed between sexes.
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ISSN:0030-9923