Research Article

Spatial variation in relationships of otolith measurements with body length of Prussian carp, Carassius gibelio (Bloch, 1782) collected from four lentic habitats in Samsun Province, Türkiye

Volume: 39 Number: 4 December 15, 2022
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Spatial variation in relationships of otolith measurements with body length of Prussian carp, Carassius gibelio (Bloch, 1782) collected from four lentic habitats in Samsun Province, Türkiye

Abstract



This study aimed to disclose the spatial variability in the lagenar otolith (asteriscus) dimensions-total length relationships generated for four Prussian carp, Carassius gibelio (Bloch, 1782) populations (Altınkaya Dam Lake, Bafra Fish Lakes, Lake Ladik and Lake Simenit) in Samsun Province, Türkiye. Relationship between length and weight of the fish was also described for each population. Samples were obtained from commercial fishermen in different periods between February 2017 and March 2018. The length, height, and weight of each otolith were determined. A non-linear function was used to define allometric relationships between asteriscus measurements and body size. The slopes of the regressions acquired for the right and left otoliths at each sampling site did not show any significant difference. All of the relationships were found to be statistically significant (P<0.001). The r2 values ranged from 0.61 to 0.95, and the mean values of the percent prediction error varied from 3.10 to 7.45. The ANCOVA test determined significant spatial differences in regression slopes for the three otolith variables. Our findings revealed that otolith development reflected somatic growth, but this varied by sampling area.


Keywords

Supporting Institution

Ondokuz Mayıs Üniversitesi

Project Number

PYO.1901.17.003

Thanks

The authors would like to thank all local fishermen for fish samplings. We also thank to Enes HANÇER and Aykut AYDIN for their help in collecting otoliths. This study was financially supported by Ondokuz Mayis University (Project No: PYO.1901.17.003).

References

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Details

Primary Language

English

Subjects

Fisheries Management

Journal Section

Research Article

Publication Date

December 15, 2022

Submission Date

May 25, 2022

Acceptance Date

September 8, 2022

Published in Issue

Year 2022 Volume: 39 Number: 4

APA
Yılmaz, S., Akbay, R., Özpiçak, M., Saygın, S., & Polat, N. (2022). Spatial variation in relationships of otolith measurements with body length of Prussian carp, Carassius gibelio (Bloch, 1782) collected from four lentic habitats in Samsun Province, Türkiye. Ege Journal of Fisheries and Aquatic Sciences, 39(4), 293-299. https://doi.org/10.12714/egejfas.39.4.04

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