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Turkish Journal of Fisheries and Aquatic Sciences 2015, Vol 15, Num, 2     (Pages: 197-204)

Intraspecific Scale Variation among Different Populations of Vendace (Coregonus albula L.) in Some Polish Lakes

Sławomir Keszka 1 ,Przemysław Czerniejewski 2 ,Malwina Raftowicz 1 ,Marcin Ficek 1

1 West Pomeranian University of Technology in Szczecin, Department of Anatomy, Embryology and Biotechnology of Reproduction, Szczecin, Poland
2 West Pomeranian University of Technology in Szczecin, Department of Fisheries Management, Krolewicza 4, 71-550, Szczecin, Poland
DOI : 10.4194/1303-2712-v15_2_01 Viewed : 3846 - Downloaded : 3159 The reported study has been undertaken to check if the shape of vendace scales can be a parameter permitting reliable differentiation between the populations of fish from three lakes. The measurements were made on 354 scales of 144 vendace individuals (Coregonus albula) from lakes Drawsko, Pełcz and Morzyckoin West Pomerania area, NW Poland. The scales were subjected to 12 morphometric procedures defined in the program called Digishape for automatic morphometry. Step discriminant analysis confirmed statistically significant (p<0.001) differences in the shape of scales between three fish populations, with the mean accuracy of classification matrix at a level of 73.45%. According to the results; it is possible to distinguish the fish from the three populations studied, from three lakes in West Pomerania, on the basis of the shape of scales. This finding can be an interest for fish farming and protection of biodiversity. Keywords : Shape of scales, Digishape, populations, vendace