istribution Patterns of the Morphology, Species, and Sex in the Stingray Species Complex of Himantura uarnak, Himantura undulata, and Himantura leoparda in Indonesia

Authors

Irma Shita Arlyza1, Research Centre for Oceanography, Lembaga Ilmu Pengetahuan Indonesia, Jakarta 14430, IndonesiaFollow
Dedy Duryadi Solihin, Department of Animal Bioscience, Faculty of Mathematics and Natural Sciences, Institut Pertanian Bogor, Bogor 16680, Indonesia
Dedi Soedharma, Department of Marine Science and Technology, Faculty of Fisheries and Marine Sciences, Institut Pertanian Bogor, Bogor 16680, Indonesia

Abstract

The assessment of the morphology and stingray species distribution of the Himantura uarnak species complex covers eight sampling sites in western and eastern Indonesia as many as 113 individuals. The observation of the reticulate pattern was accomplished by directly checking the dorsal side of the stingrays, and growth observations also carried out. The distribution patterns were analyzed using the principal component analysis (PCA), while the growth patterns were evaluated using correlation analyses. The reticulation patterns of the H. uarnak species complex were highly variable, and the distribution patterns based on the morphological parameters, species, and sex produced four groups. The distribution of the length frequency of H. undulata and H. uarnak showed a range of different sizes. The body length of the female in the western region is relatively longer than the male, while in the eastern region the female revealed a range in relative size showing that the male was longer than the female. The length-weight relationships of the stingrays were negative allometric, indicating a b-value of less than 3. The b-values of both the male and female H. undulata were 1.5860 and 0.4380, respectively; while the male and female H. uarnak were 0.2956 and 0.4376, respectively.

References

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Recommended Citation

Arlyza1, Irma Shita; Solihin, Dedy Duryadi; and Soedharma, Dedi (2013) "istribution Patterns of the Morphology, Species, and Sex in the Stingray Species Complex of Himantura uarnak, Himantura undulata, and Himantura leoparda in Indonesia," Makara Journal of Science: Vol. 17: Iss. 2, Article 1.
DOI: 10.7454/mss.v17i2.2097
Available at: https://scholarhub.ui.ac.id/science/vol17/iss2/1