Describing the Body Shape of Rainbow Sardine (Dussumieria Acuta) Using Landmark-Based Geometric Morphometric Analysis


  • Aprille Joy M. Luceño Department of Biological Sciences, MSU-IIT, Iligan City
  • Cesar G. Demayo Department of Biological Sciences, MSU-IIT, Iligan City



Geometric morphometrics, multivariate methods, canonical variate, discriminant


This study utilized geometric morphometric analysis of the body shape between sexes of Dussumieria acuta. Canonical Variate Analysis (CVA) and Discriminant Function Analysis (DFA) of the relative warp scores show significant differences in the body shape between males and females. Females exhibit body shapes that are geared to support larger number of eggs as shown by the distension of their belly region and a broader body compared to the males which possess a slender body shape. Variations observed within sexes can be attributed to selection pressures present in the environment. It is concluded that landmark-based geometric morphometric analysis is a useful tool in describing variations within and between sexes of D. acuta. 


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How to Cite

Luceño, A. J. M., & Demayo, C. G. (2017). Describing the Body Shape of Rainbow Sardine (Dussumieria Acuta) Using Landmark-Based Geometric Morphometric Analysis. Journal of Informatics and Mathematical Sciences, 9(4), 1041–1046.



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