Geometric morphometric assessment of shape sexual dimorphism in pikeperch (sander lucioperca)
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The present analysis of sexual dimorphism variation is based on 26 specimens (12 females and 14 males) of pikeperch(Sander lucioperca) from the same lake. On the left lateral aspect, 19 homologous landmarks were obtained which were studied according to geometric morphometric methods. The utilisation of geometric morphometric techniques in assessing sexual dimorphism in the present study showed statistically significant differences, mainly in length and the dorsal fins of pikeperch, with males having a shorter body and being clearly dorsally-convexed. No differences appeared between sexes for body mass and size.
Is part ofGlobal Journal of Biology, Agriculture & Health Sciences, 2014, vol. 3, num. 1, p. 148-152
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