Comparative morphology of the pectoral fin spine of the Persian sturgeon Acipenser persicus, the Russian sturgeon Acipenser gueldenstaedtii, and the Starry sturgeon Acipenser stellatus in Iranian waters of the Caspian Sea
Identifieur interne : 000383 ( Main/Exploration ); précédent : 000382; suivant : 000384Comparative morphology of the pectoral fin spine of the Persian sturgeon Acipenser persicus, the Russian sturgeon Acipenser gueldenstaedtii, and the Starry sturgeon Acipenser stellatus in Iranian waters of the Caspian Sea
Auteurs : Shima Bakhshalizadeh [Iran] ; Ali Bani [Iran] ; Shahram Abdolmalaki [Iran]Source :
- Acta Zoologica [ 0001-7272 ] ; 2013-10.
Abstract
The morphological characteristics of the pectoral fin spine were compared in three species of sturgeon, the Persian sturgeon (Acipenser persicus), the Russian sturgeon (Acipenser gueldenstaedtii), and the Starry sturgeon (Acipenser stellatus), all sampled from the Caspian Sea. On the basis of morphological characters of the pectoral fin spine, 62.2% of the individuals were correctly classified into separate groups. The cluster analysis also divided the three species into two major subgroups. Acipenser persicus and A. gueldenstaedtii were grouped together, suggesting a similar evolutionary basis. Significant morphological heterogeneity in pectoral fin spine characteristics was observed among the three sturgeon species. Principal component analysis identified the largest differences were in the pectoral fin spine size and the angle between distal pectoral fin spine and the horizontal line (A°). The first and second principal components (PC1 and PC2) of all observations accounted for 64.19% and 14.33% of the total variation, respectively. The combination of all analyses showed the relevance of applying pectoral fin spine shape for interspecific distinction of the three species of sturgeons.
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DOI: 10.1111/j.1463-6395.2012.00576.x
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On the basis of morphological characters of the pectoral fin spine, 62.2% of the individuals were correctly classified into separate groups. The cluster analysis also divided the three species into two major subgroups. Acipenser persicus and A. gueldenstaedtii were grouped together, suggesting a similar evolutionary basis. Significant morphological heterogeneity in pectoral fin spine characteristics was observed among the three sturgeon species. Principal component analysis identified the largest differences were in the pectoral fin spine size and the angle between distal pectoral fin spine and the horizontal line (A°). The first and second principal components (PC1 and PC2) of all observations accounted for 64.19% and 14.33% of the total variation, respectively. The combination of all analyses showed the relevance of applying pectoral fin spine shape for interspecific distinction of the three species of sturgeons.</div></front></TEI><affiliations><list><country><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Bakhshalizadeh, Shima" sort="Bakhshalizadeh, Shima" uniqKey="Bakhshalizadeh S" first="Shima" last="Bakhshalizadeh">Shima Bakhshalizadeh</name></noRegion><name sortKey="Abdolmalaki, Shahram" sort="Abdolmalaki, Shahram" uniqKey="Abdolmalaki S" first="Shahram" last="Abdolmalaki">Shahram Abdolmalaki</name><name sortKey="Bani, Ali" sort="Bani, Ali" uniqKey="Bani A" first="Ali" last="Bani">Ali Bani</name><name sortKey="Bani, Ali" sort="Bani, Ali" uniqKey="Bani A" first="Ali" last="Bani">Ali Bani</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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